@article{MZM_1997_61_3_a0,
     author = {S. Kh. Aranson and E. V. Zhuzhoma and V. S. Medvedev},
     title = {Strengthening the $C^r$-closing lemma for dynamical systems and foliations on the torus},
     journal = {Matemati\v{c}eskie zametki},
     pages = {323--331},
     publisher = {mathdoc},
     volume = {61},
     number = {3},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1997_61_3_a0/}
}