00373nam a2200133Ia 4500008004100000040001700041041001200058082001600070100002200086245006400108250001200172260003800184300001700222230917s9999||||xx |||||||||||||| ||und||  e113738aMAIN  aEnglish  a515.35 S47I  aSimmons, George F 0aDiffential equations with applications and historical notes  a2nd ed.  aNew DelhibTata McGraw-Hillc2003  axxi p. ; 629