Pontryagin, L. S. 1908-

Foundations of combinatorial topology/ translated from the 1st (1947) Russian ed. by F. Bagemihl, H. Komm and W. Seidel. - Rochester: Graylock Press, 1952. - 99 p.: 23 cm.

52014408 /L/r86


Combinatorial topology.

514.22 / P818f