@article{DE_1975_11_12_a2,
     author = {A. B. Gourevitch},
     title = {The {\textquotedblleft}most economical{\textquotedblright} motion of a segment in the plane},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2134--2142},
     year = {1975},
     volume = {11},
     number = {12},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_12_a2/}
}