1. Inequalities;Beckenbach,1961
2. Source-type solutions of fourth order degenerate parabolic equations;Bernis,1988
3. Semilinear equations in RN without conditions at infinity;Brezis;Appl. Math. Optim.,1984
4. Partial Differential Equations of Parabolic Type;Friedman,1964
5. Ordinary Differential Equations;Hartman,1982