1.
VNR Concise Encyclopedia of Mathematics - Walter Gellert - Hardcover - 1st American ed
by Gellert, W.
ISBN: 9780442226466
List Price: $31.95
2.
Fables et Contes de Gellert
by Gellert, Christian F�rchteg...
ISBN: 9781277500882
List Price: $23.75
4.
Small Encyclopedia of Mathematics : Kleine Enzyklopaedie der Mathematik
by Gellert, W.
ISBN: 9780828818988
List Price: $75.00