@article{IM2_1977_11_5_a6,
     author = {A. A. Bolibrukh},
     title = {On the fundamental matrix of {a~Pfaffian} system of {Fuchsian} type},
     journal = {Izvestiya. Mathematics },
     pages = {1031--1054},
     publisher = {mathdoc},
     volume = {11},
     number = {5},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1977_11_5_a6/}
}