Horizontal Lifts of Tensor Fields and Connections to Tangent Bundles Shigeru IshiharaKentaro Yano Indiana University Mathematics Journal 1967 text pdf 10.1512/iumj.1967.16.16067 10.1512/iumj.1967.16.16067 en Indiana Univ. Math. J. 16 (1967) 1015 - 1029 state-of-the-art mathematics http://iumj.org/access/