@article{DAN_1968_178_1_a7,
     author = {L. A. Petrosyan},
     title = {A certain mapping in a family of differential pursuit games},
     journal = {Doklady Akademii Nauk},
     pages = {34--37},
     publisher = {mathdoc},
     volume = {178},
     number = {1},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_178_1_a7/}
}