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@article{MZ_1986__191_173704, author = {H.J.A.M. Heijmans}, title = {Structured {Populations,} {Linear} {Semigrous} and {Positivity.}}, journal = {Mathematische Zeitschrift}, pages = {599--618}, publisher = {mathdoc}, volume = {191}, year = {1986}, zbl = {0595.92009}, url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173704/} }
H.J.A.M. Heijmans. Structured Populations, Linear Semigrous and Positivity.. Mathematische Zeitschrift, Tome 191 (1986), pp. 599-618. http://geodesic.mathdoc.fr/item/MZ_1986__191_173704/