THE STUDY OF POSSIBILITY OF USING WEB SERVICE CSRS-PPP FOR PROCESSING THE RESULTS OF GNSS OBSERVATIONS BY PRECISE POINT POSITIONING METHOD FOR GEODETIC SUPPORT OF CADASTRAL WORKS. СтатьяMelnikov Andrey, Poddubsky Anton, Aleshin Mikhail, Kalyadina Alena20th International Multidisciplinary Scientific GeoConference SGEM 2020. 2020. С. 131-138