| SOME SUBGROUPS OF THE EXTENDED HECKE GROUPS H¯(λq) S Recep, B Osman Acta Mathematica Scientia 23 (4), 497-502, 2003 | 35 | 2003 |
| Commutator subgroups of the extended Hecke groups R Sahin, O Bizim, IN Cangul Czechoslovak Mathematical Journal 54 (1), 253-259, 2004 | 28 | 2004 |
| The connection between quadratic forms and the extended modular group A Tekcan, O Bizim Mathematica Bohemica 128 (3), 225-236, 2003 | 21 | 2003 |
| Solving the Pell Equation Using the Fundamental Element of the Field ℚ (√ Δ). A Tekcan, O Bizim, M Bayraktar Southeast Asian Bulletin of Mathematics 30 (2), 2006 | 15 | 2006 |
| Squares in elliptic divisibility sequences B Gezer, O Bizim Acta Arithmetica 144, 125-134, 2010 | 12 | 2010 |
| Some relations involving the sums of Fibonacci numbers A Tekcan, A Ozkoç, B Gezer, O Bizim Proceedings of the Jangjeon Mathematical Society 11 (1), 1-12, 2008 | 11 | 2008 |
| Commutator subgroups of Hecke groups IN Cangul, O Bizim BULLETIN-INSTITUTE OF MATHEMATICS ACADEMIA SINICA 30 (4), 253-260, 2002 | 11 | 2002 |
| Some relations on Lucas numbers and their sums A Tekcan, B Gezer, O Bizim Advanced Studies in Contemporary Mathematics 15 (2), 195-211, 2007 | 10 | 2007 |
| A family of integer Somos sequences B Gezer, B Capa, O Bizim Mathematical Reports 18 (68), 3, 2016 | 7 | 2016 |
| Cubes in elliptic divisibility sequences B Gezer, O Bizim Mathematical Reports, accepted for publication, 2012 | 7 | 2012 |
| On the Integer Solutions of the Pell Equation t dy x 2 2 2=- S AhmetTekcan, B Gezer, O Bizim World Academy of Science, Engineering and Technology 1, 522-526, 2007 | 7 | 2007 |
| Metrik uzaylar ve genel topolojiye giriş T Başkan, O Bizim, İN Cangül Nobel, 2006 | 7 | 2006 |
| Congruence subgroups of some Hecke groups IN Cangul, O Bizim BULLETIN-INSTITUTE OF MATHEMATICS ACADEMIA SINICA 30 (2), 115-132, 2002 | 7 | 2002 |
| The Number of Rational Points on Elliptic Curves y2= x3+ b2 over Finite Fields B Gezer, H Özden, A Tekcan, O Bizim International Journal of Mathematical and Computational Sciences 1 (1), 97-103, 2007 | 6 | 2007 |
| On the Integer Solutions of the Pell Equation x2-dy2= 2t A Tekcan, B Gezer, O Bizim International Journal of Mathematical and Computational Sciences 1 (1), 104-108, 2007 | 6 | 2007 |
| Commutator subgroups of the extended Hecke groups R Şahin, O Bizim, İN Cangul Czechoslovak Mathematical Journal 54 (129), 253-259, 2004 | 6 | 2004 |
| Sequences generated by elliptic curves B Gezer, O Bizim Acta Arithmetica 188, 253-268, 2019 | 5 | 2019 |
| Corrigendum on I Inam, G Soydan, M Demirci, O BiZim, İ CANGÜL Communications of the Korean Mathematical Society 22 (2), 2007 | 5 | 2007 |
| Representations of Positive Integers by Positive Quadratic Forms A Tekcan, A Özkoç, B Gezer, O Bizim Southeast Asian Bulletin of Mathematics 35 (1), 2011 | 4 | 2011 |
| On the Representation of Positive Integers By Quadratic Forms with Seven Variables. A Tekcan, O Bizim Southeast Asian Bulletin of Mathematics 28 (5), 2004 | 4 | 2004 |
