000 00293pam a2200121a 44500
040 _cIITK
041 _aeng
082 _a530.15
_bSo125u3 set.2
100 _aSobolev, S.L.
245 1 _aPARTIAL DIFFERENTIAL EQUATIONS OF MATHEMATICAL PHYSICS
260 _bPergamon Press
_c1964
942 _cBK
999 _c410795
_d410795