@article{EJDE_2013__2013__a197,
     author = {Ismailov,  Zameddin I.},
     title = {Selfadjoint extensions of multipoint singular differential operators},
     journal = {Electronic journal of differential equations},
     year = {2013},
     volume = {2013},
     zbl = {1322.47041},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2013__2013__a197/}
}