Apakov, Y. P., & Mamazhonov, S. M. (2021). A boundary-value problem for the fourth-order equation with multiple characteristics in a rectangular domain.
Chicago Style (17th ed.) CitationApakov, Yu. P., and S. M. Mamazhonov. A Boundary-value Problem for the Fourth-order Equation with Multiple Characteristics in a Rectangular Domain. 2021.
MLA (8th ed.) CitationApakov, Yu. P., and S. M. Mamazhonov. A Boundary-value Problem for the Fourth-order Equation with Multiple Characteristics in a Rectangular Domain. 2021.
Warning: These citations may not always be 100% accurate.