Zhu, H., 1994: A singular singularly perturbed boundary value problem of the second order quasilinear systems, J. Math. Anal. Appl. Vol. 182 (2), p. 320–347

Zhu, H., 1994: A singular singularly perturbed boundary value problem of the second order quasilinear systems, J. Math. Anal. Appl. Vol. 182 (2), p. 320–347
