000 00285nam a2200109Ia 4500
008 220201s1960 xx 000 0 eng d
100 _aYosida,Kosaku
245 0 _aLrctures on differental&integral equaties
260 _bNewyork:Inter science pub.
_c1960
300 _a220
942 _2ddc
999 _c71812
_d71812