@article{IM2_2001_65_1_a7,
     author = {A. N. Tyurin},
     title = {Non-abelian analogues of {Abel's} theorem},
     journal = {Izvestiya. Mathematics},
     pages = {123--180},
     year = {2001},
     volume = {65},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2001_65_1_a7/}
}