Limit Theorems for Model Boltzmann Equations with Several Conserved Quantities Richard EllisMark Pinsky Indiana University Mathematics Journal 1974 text pdf 10.1512/iumj.1974.23.23025 10.1512/iumj.1974.23.23025 en Indiana Univ. Math. J. 23 (1974) 287 - 307 state-of-the-art mathematics http://iumj.org/access/