@incollection{JEDP_1992____A5_0, author = {Kozlov, Vladimir and Maz'ya, Vladimir}, title = {Solvability and asymptotic behavior of solutions of ordinary differential equations with variable operator coefficients}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {5}, pages = {1--12}, publisher = {Ecole polytechnique}, year = {1992}, zbl = {0772.34046}, language = {en}, url = {http://archive.numdam.org/item/JEDP_1992____A5_0/} }