@article{UFA_2017_9_4_a3,
     author = {L. K. Zhapsarbayeva and B. E. Kanguzhin and M. N. Konyrkulzhayeva},
     title = {Self-adjoint restrictions of   maximal operator on   graph},
     journal = {Ufa mathematical journal},
     pages = {35--43},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2017_9_4_a3/}
}