@article{DE_1992_28_11_a14,
     author = {L. I. Minchenko and V. N. Teslyuk},
     title = {On conditions for the optimality of dynamical systems with respect to parameters},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1969--1976},
     publisher = {mathdoc},
     volume = {28},
     number = {11},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_11_a14/}
}