APA Style
PETROVSKUY, I.G.. (1991).
LECTURES ON PARTIAL DIFFERENTIAL EQUATIONS .
NEW YORK:
.
Chicago Style
PETROVSKUY, I.G..
LECTURES ON PARTIAL DIFFERENTIAL EQUATIONS.
NEW YORK:
,
1991.
Text.
MLA Style
PETROVSKUY, I.G..
LECTURES ON PARTIAL DIFFERENTIAL EQUATIONS.
NEW YORK:
,
1991.
Text.
Turabian Style
PETROVSKUY, I.G..
LECTURES ON PARTIAL DIFFERENTIAL EQUATIONS.
NEW YORK:
,
1991.
Print.