%0 Journal Article %A G. B. Shabat %T Imaginary-quadratic solutions of anti-Vandermonde systems in 4~unknowns and the Galois orbits of trees of diameter~4 %J Fundamentalʹnaâ i prikladnaâ matematika %D 2003 %P 229-236 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2003_9_3_a15/ %G ru %F FPM_2003_9_3_a15