Muattar Ilhom-qizi Qodirova, Yulduz Shovkat-qizi Rovshanova, Feruza Jo‘rayeva. Ikkinchi tartibli chiziqli differensial tenglamaga qo‘yilgan chegaraviy masalalar . SciEdu [Internet]. 2026May24 [cited 2026May27];7(5):10-4. Available from: https://www.openscience.uz/index.php/sciedu/article/view/8828