Integrals of motion for quantum spin chains with elliptic Weierstrass function interaction

Integrals of motion for quantum spin chains with elliptic Weierstrass function interaction / J. Dittrich, V. I. Inozemtsev .
In: 16th conference of Czech and Slovak physicists [427 s.] Konference českých a slovenských fyziků. Hradec Králové : MAFY, 2009. s. 302-304 .