000 00568nam a2200169Ia 4500
008 220718s1981||||xx |||||||||||||| ||und||
020 _a35401070611
082 _a10.01+22
_bCODD
100 1 _aCoddington, E.A & De Snoo, H.S.V
110 _aDe Snoo, H.S.V
245 1 _aRegular boundary value problems associated with pairs of ordinary differential expressions
_cE.A. Coddington & H.S.V. De Snoo
260 _aBerlin
_bSpringer
_c1981
300 _a225
490 _aLecture notes in mathematics 858
690 _aBoundary Value Problems
942 _cBK
999 _c13209
_d13209