THE 2'-R GROUPS WITH ONE CONJUGACY CLASS OF INVOLUTIONS
SYLOW 2-SUBGROWS OF 2'-B GROUPS
ON DERIVATION OF SEMIPRIME RINGS
ABOUT A CONJECTURE OF DEACONESCU
2'-R GROUPS HAVING A FAITHFUL MONOMIAL IRREDUCIBLE CHARACTER
ON UMBILICAL HYPERSURFACE OF A GENERALIZED RECURRENT RIEMANNIAN SPACE
SIMULTANEOUS APPROXIMATION BY MODIFIED BETA OPERATORS