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@article{MZM_1979_25_3_a7, author = {D. I. Gurevich}, title = {Generalized displacement operators with a~right infinitesimal {Sturm--Liouville} operator}, journal = {Matemati\v{c}eskie zametki}, pages = {393--408}, publisher = {mathdoc}, volume = {25}, number = {3}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1979_25_3_a7/} }
D. I. Gurevich. Generalized displacement operators with a~right infinitesimal Sturm--Liouville operator. Matematičeskie zametki, Tome 25 (1979) no. 3, pp. 393-408. http://geodesic.mathdoc.fr/item/MZM_1979_25_3_a7/