%0 Journal Article %A V. N. Paimushin %A M. V. Makarov %T Refined equations and buckling modes under four-point bending loading of the sandwich test specimen with composite facing layers and a transversely flexible core %J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki %D 2022 %P 329-356 %V 164 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZKU_2022_164_4_a4/ %G ru %F UZKU_2022_164_4_a4