Determination of the approximate azimuth from two observations of the same star

Authors:
1
Lviv Polytechnic National University

1. V. A. Kovalenko. Priblizhennoe opredelenie azimuta po dvum vysotnoazimutal'nym nabljudenijam odnih i teh zhe zvezd. Nauchnye zapiski LPI, serija geodezicheskaja № 4, L'vov, 1958.