@article{INTG_1987_19_a5,
     author = {S. B. Klimentov},
     title = {A priori estimates for the derivatives of the radius-vector of a~surface of positive curvature},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {187--213},
     publisher = {mathdoc},
     volume = {19},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1987_19_a5/}
}