@article{IM2_2020_84_1_a5,
     author = {A. Hochenegger and D. Ploog},
     title = {Rigid divisors on surfaces},
     journal = {Izvestiya. Mathematics},
     pages = {146--185},
     year = {2020},
     volume = {84},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2020_84_1_a5/}
}