@article{DAN_1973_209_2_a4,
     author = {S. I. Zukhovitskii and R. A. Polyak and M. E. Primak},
     title = {On a general problem of determining equilibrium},
     journal = {Doklady Akademii Nauk},
     pages = {279--282},
     publisher = {mathdoc},
     volume = {209},
     number = {2},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_209_2_a4/}
}