Affiliation: | 1. Department of Mechanical and Environmental Engineering, Tokyo Institute of Technology, Tokyo 152-8552, Japan;2. Schlumberger-Doll Research, 36 Old Quarry Road, Ridgefield, CT 06877-4108, USA;1. School of Mathematical Sciences, Inner Mongolia University, Hohhot, 010021, China;2. School of Statistics and Mathematics, Inner Mongolia University of Finance and Economics, Hohhot, 010070, China |