A first course in noncommutative rings TY Lam Springer-verlag 131, New York, 1991 | 3353 | 1991 |

Lectures on modules and rings TY Lam Springer Science & Business Media, 2012 | 2889 | 2012 |

Theta functions on Riemann surfaces JD Fay Springer, 2006 | 2342* | 2006 |

The algebraic theory of quadratic forms TY Lam Reading, Mass.,: The Benjamin Cummings,, 1973 | 1347 | 1973 |

Introduction to quadratic forms over fields TY Lam American Mathematical Soc., 2005 | 1101 | 2005 |

Sums of squares of real polynomials MD Choi, TY Lam, B Reznick Proceedings of Symposia in Pure mathematics 58, 103-126, 1995 | 467 | 1995 |

Serre's problem on projective modules TY Lam Springer, 2006 | 397 | 2006 |

Exercises in classical ring theory TY Lam Springer Science & Business Media, 2006 | 261 | 2006 |

On vanishing sums of roots of unity TY Lam, KH Leung Journal of algebra 224 (1), 91-109, 2000 | 252 | 2000 |

Orderings, valuations and quadratic forms TY Lam American Mathematical Soc., 1983 | 252 | 1983 |

Extremal positive semidefinite forms MD Choi, TY Lam Mathematische Annalen 231 (1), 1-18, 1977 | 234 | 1977 |

Pfister forms and K-theory of fields R Elman, TY Lam Journal of Algebra 23 (1), 181-213, 1972 | 211 | 1972 |

An introduction to real algebra TY Lam The Rocky Mountain Journal of Mathematics 14 (4), 767-814, 1984 | 187 | 1984 |

Vandermonde and Wronskian matrices over division rings TY Lam, A Leroy Journal of Algebra 119 (2), 308-336, 1988 | 162 | 1988 |

Quadratic forms over formally real fields and pythagorean fields R Elman, TY Lam American Journal of Mathematics 94 (4), 1155-1194, 1972 | 137 | 1972 |

Laparoscopic-assisted resection of rectosigmoid carcinoma: immediate and medium-term results KL Leung, SPY Kwok, WY Lau, WCS Meng, TY Lam, KH Kwong, ... Archives of surgery 132 (7), 761-764, 1997 | 135 | 1997 |

Continuous modules are clean VP Camillo, D Khurana, TY Lam, WK Nicholson, Y Zhou Journal of Algebra 304 (1), 94-111, 2006 | 126 | 2006 |

The Pythagoras number of some affine algebras and local algebras. MD Choi, ZD Dai, TY Lam Walter de Gruyter, Berlin/New York 1982 (336), 45-82, 1982 | 118 | 1982 |

Quadratic forms and the*u*-invariant. IR Elman, TY Lam Mathematische Zeitschrift 131 (4), 283-304, 1973 | 117 | 1973 |

A crash course on stable range, cancellation, substitution and exchange TY Lam Journal of Algebra and Its Applications 3 (03), 301-343, 2004 | 114 | 2004 |