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@article{MZM_1993_54_3_a9, author = {I. Yu. Trushin}, title = {Summability of eigenfunction expansions of differential and integral operators}, journal = {Matemati\v{c}eskie zametki}, pages = {114--122}, publisher = {mathdoc}, volume = {54}, number = {3}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1993_54_3_a9/} }
I. Yu. Trushin. Summability of eigenfunction expansions of differential and integral operators. Matematičeskie zametki, Tome 54 (1993) no. 3, pp. 114-122. http://geodesic.mathdoc.fr/item/MZM_1993_54_3_a9/