Cross-diffusion and heat source effects on a three-dimensional MHD flow of Maxwell nanofluid over a stretching surface with chemical reactionM. Vinodkumar Reddy and P. LakshminarayanaEur. Phys. J. Spec. Top., 230 5 (2021) 1371-1379DOI: https://doi.org/10.1140/epjs/s11734-021-00037-9