000 00499nam a2200181 4500
005 20150417152355.0
007 000
008 000
040 _aUOEL
050 _aQA372
_b.C36 1962
100 _aCohen, Abraham
245 _aAn elementary treatise on differential equations /
_cAbraham Cohen
250 _a2nd ed.
_bcompletely revised
260 _aBoston ;
_bD. C. Heath and Company ,
_cc1962.
300 _avii, 337 p. :
_bill.
650 _aDifferential - equations
_xMathematics
942 _2lcc
_cLL
999 _c5526
_d5526