@article{AA_1989_1_4_a11,
     author = {O. Ya. Viro and Yu. V. Drobotukhina},
     title = {Configurations of skew-lines},
     journal = {Algebra i analiz},
     pages = {222--246},
     publisher = {mathdoc},
     volume = {1},
     number = {4},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1989_1_4_a11/}
}