TY - JOUR AU - A. E. Guterman AU - O. V. Markova TI - The realizability problem for values of the length function for quasi-commuting matrix pairs JO - Zapiski Nauchnykh Seminarov POMI PY - 2015 SP - 59 EP - 73 VL - 439 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2015_439_a5/ LA - ru ID - ZNSL_2015_439_a5 ER -