TY - JOUR TI - Vladimir Ivanovich Babenko (on his seventieth birthday) JO - Žurnal matematičeskoj fiziki, analiza, geometrii PY - 2010 SP - 128 EP - 129 VL - 6 IS - 1 UR - http://geodesic.mathdoc.fr/item/JMAG_2010_6_1_a8/ LA - ru ID - JMAG_2010_6_1_a8 ER -