@article{DE_1967_3_7_a4,
     author = {V. A. Baidosov},
     title = {Secant sets of dynamical systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1078--1083},
     publisher = {mathdoc},
     volume = {3},
     number = {7},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_7_a4/}
}