%0 Journal Article %A I. V. Zakharova %A M. V. Falaleev %T On some systems of partial differential equations with a small parameter in the principal part %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2024 %P 50-58 %V 234 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2024_234_a6/ %G ru %F INTO_2024_234_a6