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@article{MAN_1971__192_162158, author = {C.A. STUART}, title = {Positive {Solutions} of a {Nonlinear} {Integral} {Equation.}}, journal = {Mathematische Annalen}, pages = {119--124}, publisher = {mathdoc}, volume = {192}, year = {1971}, zbl = {0203.42101}, url = {http://geodesic.mathdoc.fr/item/MAN_1971__192_162158/} }
C.A. STUART. Positive Solutions of a Nonlinear Integral Equation.. Mathematische Annalen, Tome 192 (1971), pp. 119-124. http://geodesic.mathdoc.fr/item/MAN_1971__192_162158/