@article{SM_1969_7_2_a0,
     author = {V. M. Millionshchikov},
     title = {A stability criterion for the probability spectrum of linear systems of differential equations with recurrent coefficients and a~criterion for almost reducibility of systems with almost periodic coefficients},
     journal = {Sbornik. Mathematics},
     pages = {171--193},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1969_7_2_a0/}
}