https://root.cern.ch/doc/v608/classROOT_1_1Math_1_1RotationY.html
ROOT: ROOT::Math::RotationY Class Reference
rootmathclassreference
https://root.cern.ch/doc/master/genvector_2inc_2Math_2GenVector_2RotationY_8h_source.html
ROOT: math/genvector/inc/Math/GenVector/RotationY.h Source File
rootmathincsourcefile