id	keyword
ejpam-6425	graph
ejpam-6425	water wheel
ejpam-6425	edge
ejpam-6425	wheel graph
ejpam-6425	graceful
ejpam-6425	labeling
ejpam-6425	theorem
ejpam-6425	n1 +
ejpam-6425	equation
ejpam-6425	-0.33
ejpam-6425	angel
ejpam-6425	pure
ejpam-6425	eur
ejpam-6425	appl
ejpam-6425	math
ejpam-6425	splitting
ejpam-6425	graceful labeling