TY - JOUR AU - A. I. Korol'kov AU - A. V. Shanin TI - Diffraction by grating consisting of screens with different height: new equations JO - Zapiski Nauchnykh Seminarov POMI PY - 2014 SP - 62 EP - 89 VL - 422 UR - http://geodesic.mathdoc.fr/item/ZNSL_2014_422_a4/ LA - ru ID - ZNSL_2014_422_a4 ER -