Zorich, V. A. Max Planck Institute for Mathematics, Max Planck Society;
https://doi.org/10.1007/BF02482408 (出版社版)
Zorich, V. A. (2000). Quasiconformal immersions of Riemannian manifolds, and a Picard-type theorem. Functional Analysis and its Applications, 34, 188-196. doi:10.1007/BF02482408.