@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/}
}