@article{ZNSL_2008_353_a13,
     author = {V. V. Makeev},
     title = {An infinitesimal {Rattray} theorem},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {148--149},
     publisher = {mathdoc},
     volume = {353},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2008_353_a13/}
}