Muminov, M. M.; Yuldoshev, Q. X.; Ehgamberdiev, S. A.; Kahharov, B. B.; Andruk, V. N.; Protsyuk, Y. I. ASTROMETRY OF Χ AND H PERSEI BASED ON PROCESSING OF DIGITIZED PLATES OF ARCHIVE OF THE ASTRONOMICAL INSTITUTE OF THE ACADEMY OF SCIENCES OF THE REPUBLIC OF UZBEKISTAN. Одес. астроном. публ. 2014, 27, 57-58.