On<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="$n^{th} $"><mml:msup><mml:mi>n</mml:mi><mml:mrow><mml:mi>t</mml:mi><mml:mi>h</mml:mi></mml:mrow></mml:msup></mml:math>-order differential operators with Bohr-Neugebauer type property
International journal of mathematics and mathematical sciences