For ,
 
,
 and 
,
where 
 is a Bessel function of the first kind,
 
 is the gamma function, and 
 is a confluent
 hypergeometric function of the first kind.
 
	    
	
    
For ,
 
,
 and 
,
where 
 is a Bessel function of the first kind,
 
 is the gamma function, and 
 is a confluent
 hypergeometric function of the first kind.
Weisstein, Eric W. "Weber-Sonine Formula." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Weber-SonineFormula.html