TY  - JOUR
AU  - I. Jo
AU  - N. Lažetić
TI  - Derivatives of partial sums of spectral decompositions corresponding to nonnegative selfadjoint extensions of Sturm--Liouville operators
JO  - Doklady Akademii Nauk
PY  - 1979
SP  - 534
EP  - 536
VL  - 246
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1979_246_3_a4/
LA  - ru
ID  - DAN_1979_246_3_a4
ER  -