Prolongations of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="$F$"><mml:mi>F</mml:mi></mml:math>-structure to the tangent bundle of order<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="$2$"><mml:mn>2</mml:mn></mml:math>
International journal of mathematics and mathematical sciences