R. N. Butris. (2008). Periodic solutions of second-order nonlinear system of integro-differential equations unsolvable for the highest derivative. College of Education for Pure Sciences.
Chicago Style (17th ed.) CitationR. N. Butris. Periodic Solutions of Second-order Nonlinear System of Integro-differential Equations Unsolvable for the Highest Derivative. College of Education for Pure Sciences, 2008.
MLA (9th ed.) CitationR. N. Butris. Periodic Solutions of Second-order Nonlinear System of Integro-differential Equations Unsolvable for the Highest Derivative. College of Education for Pure Sciences, 2008.
Warning: These citations may not always be 100% accurate.