@article{PA_2019_8_2_a2,
     author = {S. Yu. Graf},
     title = {Harmonic mappings onto $R$-convex domains},
     journal = {Problemy analiza},
     pages = {37--50},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PA_2019_8_2_a2/}
}