Gaya APA
PETROVSKI, I G. ().
ORDINARY DIFFERENTIAL EQUATIONS .
London:
PRENTICE HOLL.
Gaya Chicago
PETROVSKI, I G.
ORDINARY DIFFERENTIAL EQUATIONS.
London:
PRENTICE HOLL,
.
Book.
Gaya MLA
PETROVSKI, I G.
ORDINARY DIFFERENTIAL EQUATIONS.
London:
PRENTICE HOLL,
.
Book.
Gaya Turabian
PETROVSKI, I G.
ORDINARY DIFFERENTIAL EQUATIONS.
London:
PRENTICE HOLL,
.
Book.