@article{ZNSL_2002_291_a1,
     author = {P. N. Bibikov},
     title = {$R$-matrices for $SU(2)$-invariant two-leg spin ladders},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {24--34},
     publisher = {mathdoc},
     volume = {291},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2002_291_a1/}
}