id	keyword
ma-80	y 
ma-80	w y
ma-80	y y
ma-80	 w
ma-80	y ln
ma-80	approximations
ma-80	function
ma-80	lambert
ma-80	ln+
ma-80	error
ma-80	lambert w
ma-80	wli
ma-80	figure
ma-80	interval
ma-80	theorem
ma-80	order