Existence of positive solutions for a fourth-order differential system
Ravi P. Agarwal; B. Kovacs; D. O'Regan
Annales Polonici Mathematici (2014)
- Volume: 112, Issue: 3, page 301-312
- ISSN: 0066-2216
Ravi P. Agarwal; B. Kovacs; D. O'Regan
Annales Polonici Mathematici (2014)