@article{INTO_2017_132_a10,
     author = {I. Yu. Kolpakov},
     title = {On the solvability of the periodic boundary-value problem for a first-order differential equation unsolved with respect to the derivative},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {50--52},
     publisher = {mathdoc},
     volume = {132},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2017_132_a10/}
}