A manual of spherical and practical astronomy : Theory and use of astronomical instruments / method of least squares. Vol. 2 / by William Chauvenet .— University edition : 5 edition, revised and corrected .— : J.B. Lippincott Company, 1887 .— 642 с. — Lang: eng .— URL: https://rucont.ru/efd/126807 (дата обращения: 17.11.2025)