@article{TM_1965_76_a8,
     author = {M. B. Stratilatova},
     title = {Certain geometric loci of points on a~surface},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {115--119},
     publisher = {mathdoc},
     volume = {76},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1965_76_a8/}
}