@article{IVM_2023_7_a7,
     author = {U. A. Safarov},
     title = {Invariant measure of circle maps with mixed type of singularities},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {71--84},
     publisher = {mathdoc},
     number = {7},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2023_7_a7/}
}