@article{DAN_1991_319_1_a34,
     author = {E. P. Vol'skii},
     title = {Analytic solution of the {Hartree} equation for the ground state of},
     journal = {Doklady Akademii Nauk},
     pages = {158--160},
     publisher = {mathdoc},
     volume = {319},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_319_1_a34/}
}