@article{DAN_1980_255_1_a14,
     author = {\`E. A. Vitrichenko and N. I. Shamarin},
     title = {Investigation of second parabolic $6$ meter-mirror in the shop conditions},
     journal = {Doklady Akademii Nauk},
     pages = {62--66},
     publisher = {mathdoc},
     volume = {255},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_255_1_a14/}
}