@article{DAN_1977_234_6_a13,
     author = {V. I. Gol'danskiǐ and B. M. Levin and V. A. Pazdzerskii and V. P. Shantarovich},
     title = {Positronium in a ``metal'' pore},
     journal = {Doklady Akademii Nauk},
     pages = {1298--1301},
     publisher = {mathdoc},
     volume = {234},
     number = {6},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1977_234_6_a13/}
}