@article{DE_1967_3_3_a13,
     author = {A. D. Myshkis and L. \'E. Reizi\c{n}\v{s}},
     title = {An example of a composite stationary point},
     journal = {Differencialʹnye uravneni\^a},
     pages = {514--519},
     publisher = {mathdoc},
     volume = {3},
     number = {3},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_3_a13/}
}