PHISULLAYEV BEKHSOD; JUMABOYEVA SHAKHZODA. SERIES SOLUTIONS OF SECOND ORDER LINEAR DIFFERENTIAL EQUATIONS. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 7, n. 07, p. 72–74, 2021. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/280. Acesso em: 30 sep. 2025.