Proceedings of the eleventh international conference on nonlinear oscillations  Budapest, august 17-23, 1987 
M. Farkas, V. Kertesz, G. Stepan 
 - Budapest  Janos Bolyai mathematical society  1987 
 - 861 p  fig  24 cm 
<br/><br/> Cuprinde bibliografie pe capitole  Cartea este multigrafiat