Mirza Mamajonov, Khilolaxon Shermatova, and Oygul Makhkamova. 2022. “ON A BOUNDARY VALUE PROBLEM FOR A THIRD-ORDER PARABOLIC-HYPERBOLIC EQUATION IN A PENTAGONAL DOMAIN WITH THREE LINES OF TYPE CHANGE, WHOSE HYPERBOLIC PARTS ARE TRIANGLES”. INTERNATIONAL JOURNAL OF SOCIAL SCIENCE & INTERDISCIPLINARY RESEARCH ISSN: 2277-3630 Impact Factor: 8.036 11 (January):111-16. https://gejournal.net/index.php/IJSSIR/article/view/277.