@article{IVM_2024_3_a4,
     author = {V. B. Levenshtam},
     title = {Averaging of a normal system of ordinary differential equations of high frequency with a multipoint boundary value problem on a semi-axis},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {64--69},
     year = {2024},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2024_3_a4/}
}