000 00526nam a2200181Ia 4500
999 _c62239
_d62239
005 20221019140941.0
008 180710s9999 xx 000 0 und d
020 _a87855
041 _aEN
082 _a515.35
_bTIT
_223
100 _aTITCHMARSH, E.C.
_eaut
245 _aEigenfunction expansions; associated with second-order differential equations
_c/by E.C.Titchmarsh
250 _a2nd ed.
260 _aOxford
_bOxford University press
_c1962
300 _a(v.1-203 p.)
650 _adifferential equations
942 _cS