@article{FPM_2007_13_3_a6,
     author = {Ch. Karpfinger},
     title = {On {Euclidean} and {Pythagorean} nearfields},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {45--50},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2007_13_3_a6/}
}