@article{PA_2021_10_1_a6,
     author = {L. Zhixin and B. A. Kats},
     title = {Riemann boundary-value problem on {Cassini} spirals},
     journal = {Problemy analiza},
     pages = {101--110},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PA_2021_10_1_a6/}
}