The Stability of Viscous Flow between Rotating Cylinders in the Presence of a Radial Temperature Gradient S. Chandrasekhar Indiana University Mathematics Journal 1954 text pdf 10.1512/iumj.1954.3.53009 10.1512/iumj.1954.3.53009 en Indiana Univ. Math. J. 3 (1954) 181 - 207 state-of-the-art mathematics http://iumj.org/access/