@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},
     year = {1992},
     publisher = {Ecole polytechnique},
     doi = {10.5802/jedp.423},
     zbl = {0772.34046},
     language = {en},
     url = {https://www.numdam.org/articles/10.5802/jedp.423/}
}