000 00253 a2200097 4500
082 _a621.3815
_bIn8aE
245 1 _aANALYTICAL METHODS IN THE THEORY OF NONLINEAR
260 _aDelhi
_bVibretions (Moscow Pub.)
_c
964 _gCIRC
997 _a28300 v. 1 s C
999 _c452692
_d452692