Ellipsoidal harmonics of the second kind, also known as Lamé functions of the second kind, are variously defined as
(Byerly 1959, p. 258) or
(Heine 1845, p. 194; Whittaker and Watson 1990, p. 562).
Ellipsoidal harmonics of the second kind, also known as Lamé functions of the second kind, are variously defined as
(Byerly 1959, p. 258) or
(Heine 1845, p. 194; Whittaker and Watson 1990, p. 562).
Weisstein, Eric W. "Ellipsoidal Harmonic of the Second Kind." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/EllipsoidalHarmonicoftheSecondKind.html