TY  - BOOK
AU  - Kryloff, N.
AU  - Bogoliuboff, N
TI  - Introduction to non-linear machanics
SN  - 9780691079851
U1  - 511.44 
PY  - 1943///
CY  - Princeton
PB  - PUP
KW  - MATHEMATICS
KW  - APPROXIMATION THEORY
ER  -