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@article{IVM_1964_1_a5, author = {A. I. El'tsov}, title = {On the squarability in the {Lebesgue} sense of a~type of ruled surface}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {40--45}, publisher = {mathdoc}, number = {1}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1964_1_a5/} }
A. I. El'tsov. On the squarability in the Lebesgue sense of a~type of ruled surface. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1964), pp. 40-45. http://geodesic.mathdoc.fr/item/IVM_1964_1_a5/