Flat covers of representations of the quiver<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="$A_{\infty}$" id="E1"><mml:msub><mml:mi>A</mml:mi><mml:mi>∞</mml:mi></mml:msub></mml:math>
International journal of mathematics and mathematical sciences