000 00303nam a2200109 4500
245 _aIntroduction to partial differential equatuions for science students
100 _aStephenson, G.
250 _a2nd ed.
260 _aLondon
_bELBS and Longman
_c1974
300 _ax,152p.; 22cm.
082 _a515.353
_bSTE
999 _c20253
_d20253