TY JOUR TI THEORETICAL AND METHODOLOGICAL BASIS OF STUDYING SERVICE LOYALTY OF THE PENAL STAFF KW loyalty KW service loyalty KW theory of loyalty KW loyalty psychology KW public officials KW transpersonal approach KW loy-alty research KW diagnostics of loyalty KW employees of the penal system KW group processes JO Man: crime and punishment AU GORNOSTAYEV, S.. PY 2017 IS 25 PB Academy of the FPS of Russia