@article{IVM_1966_2_a8,
     author = {G. N. Makeev},
     title = {Focal $T$-pairs with the inverse and direct correspondence of developable surfaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {62--69},
     publisher = {mathdoc},
     number = {2},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1966_2_a8/}
}