Address

Department of differential equations and theory of functions,
Pidstryhach Institute of Applied Problems of Mechanics and Mathematics
of National Academy of Sciences of Ukraine,
3-b Naukova Str.,
Lviv, 79060, Ukraine

Phone: (0380) (322)261-18-90, (0380) (322)261-18-89

E-mail: pelykh@lms.lviv.ua