@article{DAN_1982_266_4_a17,
     author = {A. A. Ovchinnikov and V. O. Cheranovskii},
     title = {On the excitation spectrum of alternating magnetic chains with odd number of atoms in elementary cell},
     journal = {Doklady Akademii Nauk},
     pages = {838--840},
     publisher = {mathdoc},
     volume = {266},
     number = {4},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_266_4_a17/}
}