RETRACTED: Several different ways to increase the accuracy of the numerical solution of the first order wave equationMurodil Madaliev, Jahongir Orzimatov, Zokhidjon Abdulkhaev, Olimjon Esonov and Mirzohid MirzaraximovBIO Web Conf., 84 (2024) 02032DOI: https://doi.org/10.1051/bioconf/20248402032