@ARTICLE{Ngoc_P.H.A._Stability_2017,
 author={Ngoc, P.H.A. and Hieu, L.T.},
 volume={65},
 number={No 3},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={333-340},
 howpublished={online},
 year={2017},
 title={Stability of nonlinear Volterra equations},
 URL={http://ochroma.man.poznan.pl/Content/105723/PDF/10.1515bpasts-2017-0037.pdf},
 doi={10.1515/bpasts-2017-0037},
}