Muhammademinov Alijon Azizjon o‘g‘li, Mamadaliyev Husanbek Ulug‘bek o‘g‘li. BIRINCHI TARTIBLI OPERATOR KOEFFITSIENTLI DIFFERENSIAL TENGLAMALAR . ilmiy [Internet]. 2024 Jun. 6 [cited 2024 Nov. 14];39(5):64-6. Available from: http://tadqiqotlar.uz/index.php/new/article/view/3638