Notes and calculations. Lorentz groups. Rotation matrices.

Reference to an article by Hund on Kugelkreisel.

Notes for the manuscript "Continuous groups in quantum mechanics".

Notes on object transformation and argument transfomation.

Notes on Lorentz groups.

Notes on addition theorem.

Notes on spherical spinning.

Notes and calculations on spherical spinning.

Notes and calculations.

Notes and calculations on wave mechanics.