A result on two one-parameter groups of automorphisms.
On the operator equation .
On pairs of automorphisms of von Neumann algebras.
Existence of best approximations
Multiplication operators on weighted spaces in the non-locally convex framework.
On a problem of commutativity of automorphisms.
A note on one-parameter groups of automorphisms.
On some properties of Banach operators. II.
Double multipliers on topological algebras.
A representation of bounded commutative BCK-algebras.
A note on commutativity of automorphisms.
A note on a pair of derivations of semiprime rings.
On some properties of Banach operators.
A stochastic version of Fan's best approximation theorem.
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