@article{IVM_1976_9_a9,
     author = {T. Zh. Nazirov},
     title = {4-webs of curves in space},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {87--91},
     publisher = {mathdoc},
     number = {9},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1976_9_a9/}
}