4 citations to https://www.mathnet.ru/rus/faa96

1. Vsevolod Petrushchenko, Vladlen Timorin, “On Maps Taking Lines to Plane Curves”, Arnold Math J., 2:1 (2016), 1  
2. Timorin V., “Planarizations and Maps Taking Lines to Linear Webs of Conics”, Math. Res. Lett., 19:4 (2012), 899–907            
3. Izadi F., “Rectification of spheres of co-dimension 1 and 2 in $\mathbb R^n$”, Differential Geom. Appl., 27:1 (2009), 15            
4. Timorin V., “Circles and quadratic maps between spheres”, Geom. Dedicata, 115:1 (2005), 19–32