@article{702417,
     title = {Nonlinear differential equations from biology},
     booktitle = {Nonlinear Analysis, Function Spaces and Applications},
     series = {GDML\_Books},
     publisher = {BSB B. G. Teubner Verlagsgesellschaft},
     address = {Leipzig},
     year = {1982},
     pages = {93-125},
     mrnumber = {MR684998},
     zbl = {0539.35006},
     url = {http://dml.mathdoc.fr/item/702417}
}

Hadeler, K. P. Nonlinear differential equations from biology, dans Nonlinear Analysis, Function Spaces and Applications, GDML_Books,  (1982), pp. 93-125. http://gdmltest.u-ga.fr/item/702417/