@article {khater1998backlund,
	title = {B{\"a}cklund transformations: exact solutions for the KdV and the Calogero{\textendash}Degasperis{\textendash}Fokas mKdV equations},
	journal = {Mathematical methods in the applied sciences},
	volume = {21},
	number = {8},
	year = {1998},
	note = {n/a},
	pages = {719{\textendash}731},
	publisher = {Wiley Online Library},
	abstract = {n/a},
	author = {Khater, AH and M. A. Helal and El-Kalaawy, OH}
}
