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[Lecture Notes in Mathematics] Topics in Analysis Volume 419 || Selfadjoint extension of ordinary differential operators
Lehto, Olli, Louhivaara, Ilppo Simo, Nevanlinna, RolfVolume:
10.1007/BF
Year:
1974
Language:
english
DOI:
10.1007/BFb0064708
File:
PDF, 1.06 MB
english, 1974