MUCUK, O. 1998. Coverings and ring-groupoids. GEORGIAN MATHEMATICAL JOURNAL , vol.5, no.5 , 475-482.

MUCUK, O., (1998). Coverings and ring-groupoids. GEORGIAN MATHEMATICAL JOURNAL , vol.5, no.5, 475-482.

MUCUK, OSMAN. "Coverings and ring-groupoids," GEORGIAN MATHEMATICAL JOURNAL , vol.5, no.5, 475-482, 1998

MUCUK, OSMAN. "Coverings and ring-groupoids." GEORGIAN MATHEMATICAL JOURNAL , vol.5, no.5, pp.475-482, 1998

MUCUK, O. (1998) . "Coverings and ring-groupoids." GEORGIAN MATHEMATICAL JOURNAL , vol.5, no.5, pp.475-482.

@article{article, author={OSMAN MUCUK}, title={Coverings and ring-groupoids}, journal={GEORGIAN MATHEMATICAL JOURNAL}, year=1998, pages={475-482} }