@article{DAN_1975_223_3_a18,
     author = {L. M. Kurshin},
     title = {Cross-sectional shape of the rod with maximum torsional rigidity},
     journal = {Doklady Akademii Nauk},
     pages = {585--588},
     publisher = {mathdoc},
     volume = {223},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_223_3_a18/}
}