The effects of some non-gravitational perturbations on the intermediate coordinates *, *, * of the artificial earth´s satellites were investigated. The analytical theory used is based on the asymmetrical method of two fixed centres and powers of regularized time *. and Použity 4x * na místě nesrozumitelných (ručně psaných) znaků
(Summary) Using published results of the international centres BIH IPMS and some publications by a number of authors in connection with the investigation of the Earth rotation irregularities, the present work treats some comparisons and analyses of the qualities of the classical and space methods for determining the Earth rotation irregularities underlining our point of view concerning the use of methods in the process of research.