000 00457nam a2200157Ia 4500
008 220718s1981||||xx |||||||||||||| ||und||
020 _a0126568804
082 _a10.03+6.03
_bSPER
100 1 _aSperb, R.P
245 1 _aMaximum principles & their applications
_cR.P. Sperb
260 _aNew York
_bAcademic Press
_c1981
300 _aix
_e224
490 _aMathematics in science & engineering 157
690 _aMaximum Principles
942 _cBK
999 _c17524
_d17524