@article{DAN_1967_174_4_a9,
     author = {A. V. Astakhov},
     title = {Thirring's four-fermion model and the perturbation theory},
     journal = {Doklady Akademii Nauk},
     pages = {771--774},
     publisher = {mathdoc},
     volume = {174},
     number = {4},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_174_4_a9/}
}