@article{DAN_1975_221_2_a14,
     author = {V. Ts. Gurovich and L. K. Merenkova and V. S. Engel'sht},
     title = {On the calculation of hydrogen plasma spectrum near the series boundary},
     journal = {Doklady Akademii Nauk},
     pages = {315--318},
     publisher = {mathdoc},
     volume = {221},
     number = {2},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_2_a14/}
}