000 00411nam a2200133Ia 4500
008 211224s9999 xx 000 0 und d
020 _a9780486661322
082 _a530.15535 SAG
100 _aSagan, Hans
245 0 _aBoundary and eigenvalue problems in mathematical physics
260 _aMineola, NY:
_bDover Publications,
_c1989
300 _axviii, 381 p. : ill. ; 22 cm.
650 _aBoundary value problems
999 _c33508
_d33508