@article{TMF_1984_60_3_a12,
     author = {I. O. Maier},
     title = {Free energy of a cubic ferroelectric in the ring approximation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {476--480},
     publisher = {mathdoc},
     volume = {60},
     number = {3},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1984_60_3_a12/}
}