1 - American mathematical society translations - Series 2 - Volume 11
Pontryagin, Lev Semenovitch (1908-1988)   /   Postnikov, Mihail Mihailovič   /   Wu, Wen-Tsun (1919-2017)   /   Bokstein, M.F.   /   American Mathematical Society (Ed.)

Cote : [51 PON 59]

2 - International congress of mathematicians, Cambridge, Massachusetts, U. S. A. August 30 - September 6, 1950
Albert, Abraham (1905-1972) (Org.)   /   American Mathematical Society (Ed.)

Cote : [02.7 ALB. 50-11-2]