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2. Haar inequality in hereditary setting and applications;Brandi;Rend. Sem. Mat. Univ. Padova,1996
3. Extremal solutions for semilinear differential functional systems in two independent variables;Ceppitelli;Atti Sem. Mat. Fis. Univ. Modena,1994
4. Hyperbolic Functional Differential Inequalities and Applications;Kamont,1999
5. Uniqueness of solutions to hyperbolic functional differential problems;Kamont;Nonlinear Anal. TMA,1997