@article{UZERU_1994_1_a1,
     author = {G. A. Sarkissian},
     title = {Building of double, full own function of one differential operating knot in case of a circle},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {19--25},
     publisher = {mathdoc},
     number = {1},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1994_1_a1/}
}