Não informado. (1970). Index of Mathematical Papers. American Mathematical Society.
Chicago (17e ed.) BronvermeldingNão informado. Index of Mathematical Papers. Providence, RI: American Mathematical Society, 1970.
MLA (8e ed.) BronvermeldingNão informado. Index of Mathematical Papers. American Mathematical Society, 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.