@article{PM_1990_1990_1_a12,
     author = {Bereznoi, E.I. and Mastylo, Mieczyslaw},
     title = {Problema de {Lions} para el functor de {Gustavsson-Peetre.}},
     journal = {Publicacions matem\`atiques},
     pages = {175-179},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1990_1990_1_a12/}
}