@article{PIM_1971_N_S_11_25_a10,
     author = {Bo\v{z}idar Vujanovi\'c and {\DJ}or{\dj}e {\DJ}uki\'c},
     title = {A {Variational} {Principle} {For} {The} {Theory} {Of} {Laminar} {Boundary} {Layers} {In} {Incompressible} {Fluids}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {73 },
     publisher = {mathdoc},
     volume = {_N_S_11},
     number = {25},
     year = {1971},
     url = {http://geodesic.mathdoc.fr/item/PIM_1971_N_S_11_25_a10/}
}