@article {188878,
	title = {Two-layer fluid formation and propagation of periodic solitons induced by (3+ 1)-dimensional KP equation},
	journal = {Computer and Mathematics with Applications},
	volume = {78},
	year = {2019},
	pages = {2011-2017},
	author = {H.I. Abdel-Gawad and Tantawy, M.}
}
