@article{IVM_1964_2_a17,
     author = {Z. A. Skopets},
     title = {A homology transformation of two second-order curves into two circles},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {139--143},
     publisher = {mathdoc},
     number = {2},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1964_2_a17/}
}