@article{TMF_1973_15_3_a13,
     author = {I. V. Volovich and E. A. Dynin and V. A. Zagrebnov and V. P. Frolov},
     title = {On the application of field-theory methods in the {Ising} {model~II.} {Calculation} of the critical index~$\eta$},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {417--426},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1973_15_3_a13/}
}