<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="$\alpha$"><mml:mi>α</mml:mi></mml:math>-Derivations and their norm in projective tensor products of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="$\Gamma$"><mml:mi>Γ</mml:mi></mml:math>-Banach algebras
International journal of mathematics and mathematical sciences