1. Convexity Conditions for Generalized Riemann Derivable Functions

   • S. Mitra
   • S.N. Mukhopadhyay

   OriginalPaper Pages: 267 - 291

2. On the Property of Four Elements in Modular Spaces

   • G. Isac
   • G. Lewicki

   OriginalPaper Pages: 293 - 301

3. Periodic Solutions for Second Order Differential Inclusions with Nonconvex and Unbounded Multifunction

   • E. P. Avgerinos
   • N. S. Papageorgiou
   • N. Yannakakis

   OriginalPaper Pages: 303 - 314

4. P-Q-Metrizability of Bitopological Spaces with a Dual Base of Countable Order

   • L. M. Brown

   OriginalPaper Pages: 315 - 325

5. A Generalized Measure Concentrated on a Closed Set of Measure Zero

   • K. Yoneda

   OriginalPaper Pages: 327 - 338

6. Metrization and Semimetrization Theorems with Applications to Manifolds

   • A. M. Mohamad

   OriginalPaper Pages: 339 - 350