@article{AUCMP_1977__18_2_a5,
     author = {Koubek, V. and Pt\'ak, P.},
     title = {Limits in generalized algebraic categories - contravariant case},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {43--53},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {1977},
     mrnumber = {0491874},
     zbl = {0398.18006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1977__18_2_a5/}
}