TY  - BOOK
AU  - Liusternik, Lazar' Aronovich
AU  - Brown, Robert B.
TI  - SHORTEST PATHS
U1  - 517.4 
PY  - 1964///
CY  - N. Y.
PB  - Macmillan
N1  - A Pergamon Press Book; Popular Lectures In Mathematics, V. 13; Translation Of Kratchaischie Linii
ER  -