Y. Kovalev
发表
E. Ventsel,
L. A. Fil'shtinskii,
Y. Kovalev,
2007
.
Y. Kovalev,
Yu. V. Shramko,
2015
.
C. Banciu,
I. Ion,
I. Pasuk,
2006
.
C. Banciu,
I. Ion,
I. Pasuk,
2006
.
C. Mitu,
Y. Kovalev,
2009
.
Y. Kovalev,
E. N. Stativka,
2011
.
Y. Kovalev,
Yu. V. Shramko,
2015,
Journal of Mathematical Sciences.
Y. Kovalev,
2016
.
E. Ventsel,
L. A. Fil'shtinskii,
Y. Kovalev,
2010
.
E. Ventsel,
L. A. Fil'shtinskii,
Y. Kovalev,
2002
.
E. Ventsel,
L. A. Fil'shtinskii,
Y. Kovalev,
2006
.
Y. Kovalev,
2016,
Journal of Mathematical Sciences.
Y. Kovalev,
E. M. Stativka,
2006
.
D. Kushnir,
Y. Kovalev,
Yu. V. Shramko,
2017
.
B. E. Panchenko,
Y. Kovalev,
I. N. Saiko,
2020,
Cybernetics and Systems Analysis.