@article{UZERU_1988_3_a2,
     author = {G. {\CYRA}. Karapetyan},
     title = {The smoothness of regular equations according to parameter},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {21--29},
     publisher = {mathdoc},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1988_3_a2/}
}