%0 Journal Article %A Yuriy Aminov %T On isometric immersions of the Lobachevsky plane into 4-dimensional Euclidean space with flat normal connection %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 2020 %P 208-220 %V 16 %N 3 %U http://geodesic.mathdoc.fr/item/JMAG_2020_16_3_a0/ %G en %F JMAG_2020_16_3_a0