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@article{MMO_1980_41_a6, author = {M. S. Agranovich}, title = {Convergence of series in root vectors of operators that are nearly selfadjoint}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {163--180}, publisher = {mathdoc}, volume = {41}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1980_41_a6/} }
M. S. Agranovich. Convergence of series in root vectors of operators that are nearly selfadjoint. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 41 (1980), pp. 163-180. http://geodesic.mathdoc.fr/item/MMO_1980_41_a6/