%0 Journal Article %A L. A. Vasil'ev %A È. P. Kazandjan %A V. S. Sukhorukikh %T Diffraction theory of shadow knife-and-slit photometric methods %J Doklady Akademii Nauk %D 1969 %P 70-72 %V 186 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_186_1_a17/ %G ru %F DAN_1969_186_1_a17