@article{ZNSL_1980_100_a0,
     author = {E. P. Golubeva},
     title = {On the structure of {Hecke} algebra $L(G,U_0)$, where $G=GL_2(\mathbb Q_p)$ and $U_0$, is a~principal congruence subgroup},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--16},
     publisher = {mathdoc},
     volume = {100},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1980_100_a0/}
}