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@article{MMO_1971_25_a1, author = {Z. I. Leǐbenzon}, title = {Spectral resolutions of transformations of systems of boundary value problems}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {15--58}, publisher = {mathdoc}, volume = {25}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1971_25_a1/} }
Z. I. Leǐbenzon. Spectral resolutions of transformations of systems of boundary value problems. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 25 (1971), pp. 15-58. http://geodesic.mathdoc.fr/item/MMO_1971_25_a1/