@article{TMF_1987_72_2_a9,
     author = {N. M. Plakida and N. S. Tonchev},
     title = {Equation of state in an~exactly solvable model of a~structural phase transition},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {269--276},
     publisher = {mathdoc},
     volume = {72},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1987_72_2_a9/}
}