00513nam a2200169Ia 4500003000900000008004100009040001600050080001600066100001600082245007500098260003500173300001500208490005200223650002700275650001900302700002200321IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a517.91bHAL  aHalanay, A. 0aDifferential equationsbstability, oscillations, time lagscA. Halanay  aNew YorkbAcademic Pressc1966  axii, 528p.  aMathematics in Science and Engineering; vol. 23  aDifferential equations  aNASA Thesaurus  aHalanay, Aristide