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@article{DE_1992_28_1_a14, author = {V. S. Serov}, title = {Absolute convergence of spectral expansions of operators with a singularity}, journal = {Differencialʹnye uravneni\^a}, pages = {127--136}, publisher = {mathdoc}, volume = {28}, number = {1}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1992_28_1_a14/} }
V. S. Serov. Absolute convergence of spectral expansions of operators with a singularity. Differencialʹnye uravneniâ, Tome 28 (1992) no. 1, pp. 127-136. http://geodesic.mathdoc.fr/item/DE_1992_28_1_a14/