The Elementary Basic Principles of the Unified Theory of Relativity. C_2: Applications I Vaiclav Hlavaty Indiana University Mathematics Journal 1954 text pdf 10.1512/iumj.1954.3.53008 10.1512/iumj.1954.3.53008 en Indiana Univ. Math. J. 3 (1954) 147 - 179 state-of-the-art mathematics http://iumj.org/access/