APA (7th ed.) Citation

Cruz, F., Almeida, R., & Martins, N. (2021). Variational problems with time delay and higher-order distributed-order fractional derivatives with arbitrary kernels.

Chicago Style (17th ed.) Citation

Cruz, Fátima, Ricardo Almeida, and Natália Martins. Variational Problems with Time Delay and Higher-order Distributed-order Fractional Derivatives with Arbitrary Kernels. 2021.

MLA (8th ed.) Citation

Cruz, Fátima, et al. Variational Problems with Time Delay and Higher-order Distributed-order Fractional Derivatives with Arbitrary Kernels. 2021.

Warning: These citations may not always be 100% accurate.