Gaya APA
DRABEK, P., HOLUBOVA, G.
(2007).
Eements of partial differential equations
.
Berlin:
Walter de Gruyter.
Gaya MLA
DRABEK, Pevel., HOLUBOVA, Gabriela.
"Eements of partial differential equations".
Berlin:
Walter de Gruyter,
2007.
Buku.