@article{INTO_2018_145_a4,
     author = {S. O. Gladkov and S. B. Bogdanova},
     title = {Analytical and {Numerical} {Solution} of the {Problem} on {Brachistochrones} in {Some} {General} {Cases}},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {114--122},
     publisher = {mathdoc},
     volume = {145},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2018_145_a4/}
}