@article{FAA_1996_30_3_a11,
     author = {V. D. Sedykh},
     title = {Theorem on {Four} {Support} {Vertices} of a {Polygonal} {Line}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {88--90},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1996_30_3_a11/}
}