@article{JSFU_2011_4_2_a6,
     author = {Alexander V. Shnurenko and Sergey G. Ovchinnikov and Elena I. Shneyder},
     title = {Role of four-spin exchange in a~magnetic mechanism of superconductivity in cuprates},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {191--194},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2011_4_2_a6/}
}