CONTENTS
A r t i c l e s :
Ljubomir Ciric: On a generalization of a Gregus fixed point theorem . . . 449 A. Ferndndez, M. Florencio, 3. Oliveros: Barrelledness of generalized sums of normed
spaces 459 Tiziana Cardinali, Nikolaos S. Papageorgiou: Periodic problems and problems with
discontinuities for nonlinear parabolic equations . . . 467 Vdclav Tryhuk: On global transformations of ordinary differential equations of the
second order . . . 499
Vdclav Tryhuk: On transformations z(t) = y('fi(t)) of ordinary differential equations 509 Vdclav Tryhuk: Transformations z(f) = L(t)y(ifi(t)) of ordinary differential equations 519 Miguel Ortega, Juan de Dios Perez, Young Jin Suh: Real hypersurfaces with constant
totally real sectional curvature in a complex space form . . . 531
Joao de Deus Marques: On vectorial inner product spaces . . . 539 Mingxue Liu: A representation theorem for probabilistic metric spaces in general . . . 551 S. Jendrol', H. J . Voss: Light paths with an odd number of vertices in polyhedral
maps 555 Jong Yeoul Park, Jeong Ja Bae: On solutions of quasilinear wave equations with
nonlinear damping terms . . . 565
Jan Jakubik: On cut completions of abelian lattice ordered groups . . . 587 loannis K. Argyros: Local convergence theorems of Newton's method for nonlinear
equations using outer or generalized inverses . . . 603
Jae Myung Park: The Denjoy extension of the Riemann and McShane integrals .... 615 Bhagat Singh: On nonoscillation of canonical or noncanonical disconjugate functional
equations . . . 627
Jan Jakubik: Convexities of normal valued lattice ordered groups . . . 641 J . C. Ferrando, J . M. Amiga: On copies of cy in the bounded linear operator space . 651 Ondrej Dosly: Methods of oscillation theory of half-linear second order differential
equations . . . 657
