TY  - JOUR
AU  - V. A. Il'in
TI  - Convergence of eigenfunction expansions at points of discontinuity of the coefficients of a~differential operator
JO  - Matematičeskie zametki
PY  - 1977
SP  - 679
EP  - 698
VL  - 22
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1977_22_5_a8/
LA  - ru
ID  - MZM_1977_22_5_a8
ER  -