@article{DAN_1985_283_5_a23,
     author = {A. N. Guz and V. N. Chekhov},
     title = {Application of the variational methods in the problems of stratified
},
     journal = {Doklady Akademii Nauk},
     pages = {1123--1126},
     publisher = {mathdoc},
     volume = {283},
     number = {5},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_283_5_a23/}
}