On the inverse scattering problem for a discrete one-dimensional Schrödinger equation
Geometrical approach to balanced incomplete block designs
Matrix transformations of some sequence spaces over N on -A Rchimedi an fields
On Holditch and Liouville theorems
On the rectilinear congruences generated by the instantaneous screwing axes connected with a surface
A note on the fractal dimension
On the duality of generalised Euler formula for Euclidean hypersurfaces