@article{DAN_1989_308_4_a18,
     author = {A. Khaitov and A. I. Mogil'ner},
     title = {Bound states of two electrons and a magnon in the $s$-$d$ model},
     journal = {Doklady Akademii Nauk},
     pages = {844--846},
     publisher = {mathdoc},
     volume = {308},
     number = {4},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_308_4_a18/}
}