On the congruences of lines generated by the instantaneous screwing axes connected with some surfaces

Türkan GÜL

On the degree of aproximation of a periodic function f almost Riesz- means of its conjugate series

Narendra Kumar SHARMA

On the closed planar homothetic motions and the orbital areas

A. SIVRIDAG

Subrings of the ring of all analytic functions on an open riemann surface

M. BAYRAKTAR

On the spectrum of C, as an operator on bv

J. T. OKUTOYI

Fixed point theorems for some discontinous operators in 2-Metric spaces

M. Shakil AQEEL AHMAD

On circles and spheres in geometry

C. MURATHAN

On the degree of aproximation of a function by Nörlund means of its Fourier - Jacobi series

Narendra Kumar SHARMA

Seperation properties in categories of Prebornological spaces and Bornological spaces

Mehmet BARAN

On the curvates of the parallel hypersurfaces

A. GÖRGÜLÜ

Some generating functions of modified Jacobi polynomials

Asit Kumar CHONGDAR

On the generalized Darboux curves

Abdullah Aziz ERGİN

Involute - Evolute curve couples of higher order in IR n and their horizontal lifts in TIR n

Aysel TURGUT