@article{TMF_1990_84_1_a10,
     author = {N. M. Plakida and A. Yu. Cherny},
     title = {Isotopic effect in~a~superconductor with structural phase transition},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {120--127},
     publisher = {mathdoc},
     volume = {84},
     number = {1},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1990_84_1_a10/}
}