000 00287nam a2200097Ia 4500
008 220816s9999||||xx |||||||||||||| ||und||
020 _aNULL
245 0 _aSolutions of partial differential equations
_cDuffy, Dean G.
260 _aDelhi:
_bCBS Publishers & Distributors,
_c1986
300 _a542p.
999 _c3897
_d3897