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@article{DE_1975_11_12_a25, author = {V. I. Filippenko}, title = {Estimation of the multiplicity of the spectrum of a selfadjoint differential operator}, journal = {Differencialʹnye uravneni\^a}, pages = {2286--2287}, publisher = {mathdoc}, volume = {11}, number = {12}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1975_11_12_a25/} }
TY - JOUR AU - V. I. Filippenko TI - Estimation of the multiplicity of the spectrum of a selfadjoint differential operator JO - Differencialʹnye uravneniâ PY - 1975 SP - 2286 EP - 2287 VL - 11 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1975_11_12_a25/ LA - ru ID - DE_1975_11_12_a25 ER -
V. I. Filippenko. Estimation of the multiplicity of the spectrum of a selfadjoint differential operator. Differencialʹnye uravneniâ, Tome 11 (1975) no. 12, pp. 2286-2287. http://geodesic.mathdoc.fr/item/DE_1975_11_12_a25/