@article{RM_1972_27_3_a15,
     author = {T. V. Lokot'},
     title = {Topological classification of foliations of codimension~1 with trivial holonomy groups of class $C^2$ on the three-dimensional torus},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1972_27_3_a15/}
}