TY - JOUR AU - E. V. Gusarova AU - V. Yu. Martynova AU - M. Yu. Medvedik TI - Calculation of diffraction efficiency in the problem of designing multilevel diffraction gratings JO - Numerical methods and programming PY - 2024 SP - 336 EP - 346 VL - 25 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMP_2024_25_3_a6/ LA - ru ID - VMP_2024_25_3_a6 ER -