@article{700413,
     title = {Numerical approximation of singular boundary value problems for a nonlinear differential equation},
     booktitle = {Proceedings of Equadiff 11},
     series = {GDML\_Books},
     publisher = {Comenius University Press},
     address = {Bratislava},
     year = {2007},
     pages = {201-211},
     url = {http://dml.mathdoc.fr/item/700413}
}

Lima, Pedro; Morgado, Luisa. Numerical approximation of singular boundary value problems for a nonlinear differential equation, dans Proceedings of Equadiff 11, GDML_Books,  (2007), pp. 201-211. http://gdmltest.u-ga.fr/item/700413/