Graham, and Kevrekidis. (1996) 1996. “Alternative Approaches to the Karhunen-Loeve Decomposition for Model Reduction and Data Analysis”. Computers & Chemical EngineeringComputers & Chemical Engineering 20 (5): 495-506. Reference Link
DEANE, AE, Kevrekidis, Karniadakis, and SA ORSZAG. (1991) 1991. “LOW-DIMENSIONAL MODELS FOR COMPLEX-GEOMETRY FLOWS - APPLICATION TO GROOVED CHANNELS AND CIRCULAR-CYLINDERS”. Physics of Fluids a-Fluid DynamicsPhysics of Fluids a-Fluid Dynamics 3 (10): 2337-54. Reference Link