@article{PFMT_2013_1_a2,
     author = {S. S. Girgel},
     title = {Kummer--Gaussian scalar astigmatic three-dimensional light beams},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {19--23},
     publisher = {mathdoc},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2013_1_a2/}
}