@article{JMAG_2010_6_2_a2,
     author = {V. A. Zolotarev},
     title = {Properties of characteristic function of commutative system of unbounded nonselfadjoint operators},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {192--228},
     year = {2010},
     volume = {6},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JMAG_2010_6_2_a2/}
}