Matrix transformations of some sequence spaces over N on -A Rchimedi an fields
On the (f, g) - linear connections
On p - valent functions with negative and missing coefficients
On the rectilinear congruences generated by the instantaneous screwing axes connected with a surface
On the inverse scattering problem for a discrete one-dimensional Schrödinger equation
A class of meromorphic univalent functions with positive and fixed finitely many coefficients
Geometrical approach to balanced incomplete block designs