000 00484 a2200253 4500
001 112170
020 _a1
041 _aeng
080 _a517.944 Tyc-2
245 _aPartial differential equations of mathematical physics.
250 _aHolden-Day
260 _a
260 _bv.2,illus.,23cm.,
260 _c
300 _a
300 _c
490 _a
100 _aTychonov, A.N.,Samarski, A.A.
700 _a
650 _a
650 _a
942 _cBK
942 _2UDC
999 _c132334
_d132334