One-sided complements and solutions of the equation<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="$aXb=c$"><mml:mrow><mml:mi>a</mml:mi><mml:mi>X</mml:mi><mml:mi>b</mml:mi><mml:mo>=</mml:mo><mml:mi>c</mml:mi></mml:mrow></mml:math>in semirings
International journal of mathematics and mathematical sciences