@article{M2AN_1984__18_2_137_0,
     author = {Barugola, Alexandre},
     title = {Quelques propri\'et\'es des lignes critiques d'une r\'ecurrence du second ordre \`a inverse non unique. {D\'etermination} d'une zone absorbante},
     journal = {RAIRO. Analyse num\'erique},
     pages = {137--151},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {18},
     number = {2},
     year = {1984},
     mrnumber = {743881},
     zbl = {0547.58010},
     language = {fr},
     url = {http://www.numdam.org/item/M2AN_1984__18_2_137_0/}
}