@article{FAA_1999_33_3_a7,
     author = {V. M. Zakalyukin},
     title = {Singularities of {Contact} with $3${-Flags}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {78--81},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1999_33_3_a7/}
}