@article{PM_1988_1988_1_a5,
     author = {Harper, J. and Zabrodsky, A.},
     title = {Evaluando una operaci\'on cohomol\'ogica de orden p.},
     journal = {Publicacions matem\`atiques},
     pages = {61-78},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1988_1988_1_a5/}
}