@article{CMUC_1994__35_4_a4,
     author = {Ca\~nada, A. and Zertiti, A.},
     title = {Systems of nonlinear delay integral equations modelling population growth  in a periodic environment},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {633--644},
     publisher = {mathdoc},
     volume = {35},
     number = {4},
     year = {1994},
     mrnumber = {1321234},
     zbl = {0816.45002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1994__35_4_a4/}
}