@article{urn:eudml:doc:38375, title = {Positive solutions of nonlinear delay integral equations modelling epidemics and population growth.}, journal = {Extracta Mathematicae}, volume = {8}, year = {1993}, pages = {153-157}, zbl = {1032.45500}, mrnumber = {MR1285741}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38375} }
Cañada, A.; Zertiti, A. Positive solutions of nonlinear delay integral equations modelling epidemics and population growth.. Extracta Mathematicae, Tome 8 (1993) pp. 153-157. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38375/