61
by Rosenberg, Alexander L.
Published 1995
Springer Netherlands

62
by Golan, Jonathan S.
Published 1995
Springer Netherlands

63
by Inassaridze, Hvedri
Published 1995
Springer Netherlands

64
by Gasca, Mariano
Published 1996
Springer Netherlands

65
by Shevrin, Lev N., Ovsyannikov, Alexander J.
Published 1996
Springer Netherlands

66
by Huishi, Li, Oystaeyen, Freddy
Published 1996
Springer Netherlands

67
by Xu, Xiaoping
Published 1998
Springer Netherlands

68
Published 1998
Springer Netherlands

69
by Hommel, Günter
Published 2000
Springer Netherlands

70
by Shparlinski, Igor E.
Published 1999
Springer Netherlands

71
by Golan, Jonathan S.
Published 1999
Springer Netherlands

72
by Grätzer, George
Published 1979
Springer New York

73
Published 2004
Springer Netherlands

74
by Elias, J.
Published 1998
Birkhäuser Basel

75
by Hall, Brian C.
Published 2003
Springer New York

76
by Ben-Israel, Adi, Greville, Thomas N. E.
Published 2003
Springer New York

77
by Borwein, Peter
Published 2002
Springer New York

78
by Ribenboim, Paulo
Published 2001
Springer New York

79
by Ribenboim, Paulo
Published 1999
Springer New York

80
by Stillwell, John
Published 2003
Springer New York