000			003260000a22001330004500
245			_aElementary differential equations & boundary value problems
100			_aBoyce, W.E.
100			_aDiprima, R.C.
250			_a3d rev. ed.
260			_aNew York _bWiley _c1977
080			_a517.927 _bB6
041			_aEN
942			_cBK
999			_c111943 _d111943