Some Singular Nonlinear Boundary Value Problems

Baxley J. V., 1986, Qualitative Properties of Differential Equations, Proc. 1984 Edmonton Conference, 50

10.1137/0148028

10.1016/0022-0396(90)90092-4

10.1512/iumj.1981.30.30012

Erbe Lynn, 1988, Differential Integral Equations, 1, 71

10.1017/S0013091500018101

10.1016/0022-0396(89)90113-7

10.1016/S0022-247X(86)80002-6

10.1137/0512073

Na Tsung Yen, 1979, Computational methods in engineering boundary value problems

10.1137/0138024

Protter M., 1967, Maximum principles in differential equations

10.1016/0362-546X(79)90057-9