@article{01208828,
title = {On the question of solvability of the periodic boundary value problem for a system of generalized ordinary differential equations.},
journal = {Memoirs on Differential Equations and Mathematical Physics},
volume = {12},
year = {1997},
pages = {159-162},
zbl = {0907.34014},
language = {en},
url = {http://dml.mathdoc.fr/item/01208828}
}
Ashordia, M. On the question of solvability of the periodic boundary value problem for a system of generalized ordinary differential equations.. Memoirs on Differential Equations and Mathematical Physics, Tome 12 (1997) pp. 159-162. http://gdmltest.u-ga.fr/item/01208828/