Robuta

https://www.mpim-bonn.mpg.de/node/15479 Classification of knots vs. links in contact manifolds | Max Planck Institute for Mathematics max planck institute contact manifolds classification knots links https://portal.mardi4nfdi.de/wiki/Publication:1409589 Canonical contact forms on spherical CR manifolds - MaRDI portal contact forms canonical spherical manifolds mardi