@article{IVM_1963_3_a20,
     author = {A. F. Semenovich},
     title = {Constructions by means of a straight edge with parallel edges in the {Lobachevsky} plane},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {149--152},
     publisher = {mathdoc},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1963_3_a20/}
}