@misc{Torres_Cesar_Existence,
 author={Torres Cesar},
 howpublished={online},
 publisher={Wydaw. Politechniki Częstochowskiej},
 language={eng},
 title={Existence of a solution for the fractional forced pendulum},
 type={czasopismo},
 keywords={fractional calculus, fractional boundary value problem, mountain pass theorem, fractional space},
}