00481nam a22001457i 4500001001000000005001700010008004100027082002100068100003500089245007200124260005400196300001700250650005000267020001800317SXC00307520260819093334.0260101s1962    ii            000 0 eng d  a515.35 WIL-E222  aWilcox, L R; Curtis, Herbert J10aElementary differential equations /cWilcox, L R; Curtis, Herbert J  abInternational Textbook Co., Pennsylvania,c1962  ap. ;c22 cm. 0aDifferential equations; Analysis; Mathematics  a9780201039511