@article{ASENS_1998_4_31_4_525_0,
     author = {Katzarkov, L. and Ramachandran, M.},
     title = {On the universal coverings of algebraic surfaces},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {525--535},
     publisher = {Elsevier},
     volume = {Ser. 4, 31},
     number = {4},
     year = {1998},
     doi = {10.1016/s0012-9593(98)80105-5},
     mrnumber = {99h:14015},
     zbl = {0936.14012},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/s0012-9593(98)80105-5/}
}