@article{TMF_1981_46_1_a10,
     author = {V. N. Plechko},
     title = {Critical-point {singularities.~I.} {The} critical-point condition and the susceptibility},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {111--124},
     publisher = {mathdoc},
     volume = {46},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_46_1_a10/}
}