@article{EXMATH_1997_1997_1_a32,
     author = {Carrasco, P. and Mart{\'\i}nez Moreno, J.},
     title = {Cohomolog{\'\i}a 2-dimensional con coeficientes en grupos categor{\'\i}a.},
     journal = {Extracta mathematicae},
     pages = {231-241},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {1997},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1997_1997_1_a32/}
}