@article{TRSPY_1965_76_a11,
     author = {A. L. Verner},
     title = {A~semi-geodesic coordinate net on tubes of non-positive curvature},
     journal = {Informatics and Automation},
     pages = {130--140},
     publisher = {mathdoc},
     volume = {76},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1965_76_a11/}
}