@article{MZM_1993_53_5_a16,
     author = {S. Sh. Kozhegel'dinov},
     title = {A problem on {Theonian} triangles {(TT)}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {155--157},
     publisher = {mathdoc},
     volume = {53},
     number = {5},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1993_53_5_a16/}
}