TY - JOUR AU - Božidar Vujanović AU - Đorđe Đukić TI - A Variational Principle For The Theory Of Laminar Boundary Layers In Incompressible Fluids JO - Publications de l'Institut Mathématique PY - 1971 SP - 73 VL - _N_S_11 IS - 25 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PIM_1971_N_S_11_25_a10/ ID - PIM_1971_N_S_11_25_a10 ER -