@article{ZNSL_2009_372_a6,
     author = {A. I. Kurnosenko},
     title = {On a~certain feature of logarithmic spirals},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {82--92},
     publisher = {mathdoc},
     volume = {372},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2009_372_a6/}
}