Obshta, A.F., Lviv Polytechnic National University, 12 Bandera str., 79013, Lviv, Ukraine
Ogul, B., Istanbul Aydın Univeristy, Istanbul, Turkey
Oleksienko, M.V., Institute for Applied Problems of Mechanics and Mathematics, 3b Naukova str., 79060, Lviv, Ukraine
Olgun, A., Kirikkale University, 71450, Yahsihan, Kirikkale, Turkey
Olgun, M., Ankara University, 06100, Tandogan, Ankara, Turkey
Oliynyk, A.P., Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpatska str., 76019, Ivano-Frankivsk, Ukraine
Olshevskyi, M.S., Taras Shevchenko National University, 64/13 Volodymyrska str., 01601, Kyiv, Ukraine
Omaba, M., University of Hafr Al Batin, P.O. Box 1803 Hafr Al Batin 31991, Saudi Arabia
Omidi, S., Department of Mathematics, Yazd University, P.O. Box 89195-741, Yazd, Iran
Onat, L., Aydin Adnan Menderes University, Kepez Mevkii Efeler, 09010 Aydin, Turkey
Onypa, D.P., Yuriy Fedkovych Chernivtsi National University, 2 Kotsjubynskyi str., 58012, Chernivtsi, Ukraine
Ostrovskii, M., St. John's University, 11439, New York, USA
Ostrovskyi, V.L., Institute of Mathematics, National Academy of Sciences of Ukraine, 3 Tereschenkivska str., 01601, Kyiv, Ukraine
Osypchuk, M.M., Vasyl Stefanyk Precarpathian National University, 57 Shevchenka str., 76018, Ivano-Frankivsk, Ukraine
Osypova, O.V., Yuriy Fedkovych Chernivtsi National University, 2 Kotsjubynskyi str., 58012, Chernivtsi, Ukraine
Ovchar, I.Ye., Ivano-Frankivsk National Technical University of Oil and Gas, 15 Karpatska str., 76019, Ivano-Frankivsk, Ukraine
Özarslan, H.S., Department of Mathematics, Erciyes University, 38039, Kayseri, Turkey
Özkapu, A.S., Selcuk University, Konya, Türkiye

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