@article{ZNSL_1996_234_a3,
     author = {V. N. Berestovskii},
     title = {A.\,D.~Alexandrov's length manifolds with one-laterally bounded curvature},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {17--19},
     publisher = {mathdoc},
     volume = {234},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1996_234_a3/}
}