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@article{IVM_1965_6_a10, author = {A. I. El'tsov}, title = {On {Lebesgue} rectifiability of a~certain kind of parametrized ruled surface}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {85--92}, publisher = {mathdoc}, number = {6}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1965_6_a10/} }
A. I. El'tsov. On Lebesgue rectifiability of a~certain kind of parametrized ruled surface. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1965), pp. 85-92. http://geodesic.mathdoc.fr/item/IVM_1965_6_a10/