@article{RM_2019_74_1_a3,
     author = {A. Ya. Maltsev and S. P. Novikov},
     title = {Topological integrability, classical and quantum chaos, and the theory of dynamical systems in the physics of condensed matter},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {141--173},
     publisher = {mathdoc},
     volume = {74},
     number = {1},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2019_74_1_a3/}
}