DOI,IST REx ID,Research Group,Title of publication
10.1007/s40598-022-00198-y,10706,VaKa,Open problems on billiards and geometric optics
10.4171/owr/2021/33,17063,VaKa,Dynamische Systeme
10.1134/S1560354721010044,8689,VaKa,V.I. Arnold's ''Global'' KAM theorem and geometric measure estimates
10.48550/arXiv.2107.03499,9435,VaKa,Non co-preservation of the 1/2 and  1/(2l+1)-rational caustics along deformations of circles
