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@article{IVM_1969_3_a8, author = {V. Ya. Stam}, title = {A~certain class of linear differential operators of infinite order}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {66--71}, publisher = {mathdoc}, number = {3}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1969_3_a8/} }
V. Ya. Stam. A~certain class of linear differential operators of infinite order. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1969), pp. 66-71. http://geodesic.mathdoc.fr/item/IVM_1969_3_a8/