@article{IM2_2015_79_3_a3,
     author = {Yu. A. Neretin},
     title = {Infinite-dimensional $p$-adic groups, semigroups of double cosets, and inner functions on {Bruhat--Tits} buildings},
     journal = {Izvestiya. Mathematics },
     pages = {512--553},
     publisher = {mathdoc},
     volume = {79},
     number = {3},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2015_79_3_a3/}
}