Velikova, E., Bilchev, S. A Solution of a Problem of Paul Erdos and Related with It Transformation,
, 1997.
Velikova, E., Bilchev, S. .
A Solution of a Problem of Paul Erdos and Related with It Transformation.
: , 1997.
Velikova, E., Bilchev, S. (1997)
A Solution of a Problem of Paul Erdos and Related with It Transformation,
:
Velikova, E., & Bilchev, S.
(1997).
A Solution of a Problem of Paul Erdos and Related with It Transformation. // <I>Mathematics<D> and Informatics Quarterly (Singapore), 7, 1997, № 3, p. 120-126..