00337nam a22001217a 4500 0-306-39253-4 515.35 MIS'D ROGER, N.KH,MISHCHAN, E.F 74716 DIFFERENTIAL EQUATIONS WITH SMALL PARAMETERS AND RELAXATION OSCILLATORS NEWYORK PLENUM PRESS 1989 228P BK 580214 580214 0 0 0 0 CEME CEME GEN 2017-05-09 0 515.35 MIS'D CEME-15415 2021-06-28 2021-06-28 BK