000 00396nam a22001457a 4500
008 240717b |||||||| |||| 00| 0 eng d
020 _a0471078956
050 _aQA371
_b.B69
100 _aBOYCE, William E.
245 _aElementary Differential Equations and Boundary Value Problems.
250 _a4th
260 _aCanada
_bJohn Wiley and Sons. Inc.
_c1986
300 _axvi, 654p.
942 _cBK
999 _c1414
_d1414