@article{AA_2006_18_4_a9,
     author = {A. Its and A. Kapaev},
     title = {Letter to the editors},
     journal = {Algebra i analiz},
     pages = {225--226},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_2006_18_4_a9/}
}