@article{MO_2003_1_a1,
     author = {A. I. Schetnikov},
     title = {Problem of {Phyllotaxis}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {19--37},
     year = {2003},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2003_1_a1/}
}