%0 Journal Article %A Natalia A. Feodorova %T Modeling for reinforced with isogonal trajectories ring-shaped lamels in polar coordinate system %J Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika %D 2011 %P 400-405 %V 4 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JSFU_2011_4_3_a14/ %G ru %F JSFU_2011_4_3_a14