@base .
a ;
"0001-351X" ;
.
"Bulgaria" .
a ;
.
a .
a , ;
"Abstracts of Bulgarian scientific literature. Mathematics, Physics, Astronomy, Geophysics, Geodesy" .
, ;
"Abstracts of Bulgarian scientific literature." ;
;
;
;
;
"Abstracts of Bulgarian scientific literature. Mathematics, Physics, Astronomy, Geophysics, Geodesy" , "Abstracts of Bulgarian scientific literature." ;
.
.
a ;
"20230508171855.752091"^^ ;
;
.