@article{TMF_2011_167_3_a5,
     author = {V. S. Gerdjikov and G. G. Grahovski and A. V. Mikhailov and T. I. Valchev},
     title = {Rational bundles and recursion operators for integrable equations on {A.III-type} symmetric spaces},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {394--406},
     publisher = {mathdoc},
     volume = {167},
     number = {3},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2011_167_3_a5/}
}