@article{JSFU_2025_18_3_a7,
     author = {Dmitry A. Savelyev},
     title = {The investigation of {Gaussian} beams and optical vortices diffraction in the near zone of subwavelength optical elements with variable height},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {358--370},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {2025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2025_18_3_a7/}
}