@article{PM_1988_1988_1_a13,
     author = {Filipowicz, I. and Kwiatkowski, J. and Lemanczyk, M.},
     title = {Aproximaci\'on de {Z2-cociclos} y sistemas din\'amicos de desplazamiento.},
     journal = {Publicacions matem\`atiques},
     pages = {91-110},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1988_1988_1_a13/}
}