@article{TMF_1977_33_3_a3,
     author = {A. I. Oksak and V. E. Rochev},
     title = {Dynamical symmetry and asymptotic scale invariance in ladder models},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {327--336},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1977_33_3_a3/}
}