000 00400pam a2200157a 44500
008 160408b1992 xxu||||| |||| 00| 0 eng d
010 _a91023346
020 _a0387520023
082 _a515.353
_bP258DE V.1
100 _aEgorov, Yu.V
245 1 _aPARTIAL DIFFERENTIAL EQUATIONS 1
260 _aBerlin
_bSpringer-Verlag
_c1992
700 _aShubin, M.A.
964 _gCIRC
997 _aA112692 C
999 _c315480
_d315480