00684naa#a2200169#i#450# EN\\bibl\99362 20251208052043.1 2073-1574 20250606b2025####ek#y0engy0150####ca RU Substantiation of the necessity and possibility of improving the navigation equipment of civil vessels based on modern means and methods of nautical astronomy Journal article Astrakhan Astrakhan State Technical University 2025 10 с. Journal article local Определение координат средств транспорта. 527.62 Kirillov Nikolai Olegovich vestnik.astu.org