@article{10_1017_S001708950000817X,
     author = {Escassut, Alain and Sarmant, Marie-Claude},
     title = {The equation y' = fy in zero residue characteristic},
     journal = {Glasgow mathematical journal},
     pages = {149--153},
     year = {1991},
     volume = {33},
     number = {2},
     doi = {10.1017/S001708950000817X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708950000817X/}
}