@article{RM_2018_73_1_a7,
     author = {M. I. Shtogrin},
     title = {On a problem of {Pogorelov}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {178--180},
     publisher = {mathdoc},
     volume = {73},
     number = {1},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2018_73_1_a7/}
}