| Article ID: | iaor1990595 |
| Country: | United States |
| Volume: | 2 |
| Start Page Number: | 1 |
| End Page Number: | 7 |
| Publication Date: | May 1989 |
| Journal: | Journal of Applied Mathematics and Stochastic Analysis |
| Authors: | Uvah J.A., Vatsala A.S. |
Existence of maximal and minimal solutions are proved for the first order singular systems with boundary conditions by combining the method of upper and lower solutions and the monotone iterative technique.