TY  - BOOK
AU  - Minorsky, Nicholas
TI  - Introduction to non-linear mechanics: topoligical methods, analytical methods, non-linear resonance, reflaxation oscillations 
AV  - QA 871 M642
PY  - 1947///
CY  - Ann Arbor, Mich.
PB  - J.W. Edwards
KW  - Mecánica analítica
KW  - Oscilaciones
ER  -