@misc{Wu_L._L._Some,
 author={Wu, L. L. and Liu, M. L. and Hu, P. C.},
 address={Երևան},
 howpublished={online},
 publisher={Հայաստանի ԳԱԱ},
 type={Հոդված},
 title={Some results on nonlineardifference-differential equations},
 keywords={Mathematics},
}