Borisova, G., Hristov, M., Tzonev, T. Commuting nonselfadjoint operators andwave equations,
, 2019, с. 37-56.
Borisova, G., Hristov, M., Tzonev, T. .
Commuting nonselfadjoint operators andwave equations.
Шумен: , 2019, с. 37-56.
Borisova, G., Hristov, M., Tzonev, T. (2019)
Commuting nonselfadjoint operators andwave equations,
Шумен: , с. 37-56
Borisova, G.,
Hristov, M., &
Tzonev, T.
(2019).
Commuting nonselfadjoint operators andwave equations. Годишник на Шуменския университет "Епископ Константин Преславски". Шумен: XX C с. 37-56.