@article{RM_2006_61_5_a5,
     author = {Kh. A. Akhadkulov},
     title = {Some circle homeomorphisms with break-type singularities},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {981--983},
     publisher = {mathdoc},
     volume = {61},
     number = {5},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2006_61_5_a5/}
}