Seminar of Celestial Mechanics and Space Research & Universitatea Babes-Bolyai. Sectia de Matematica. (1980). Seminar of celestial mechanics and space research: Preprint. Babes-Bolyai University, Faculty of Mathematics.
Chicagoスタイル(17版)引用形式Seminar of Celestial Mechanics and Space Research , Universitatea Babes-Bolyai. Sectia de Matematica. Seminar of Celestial Mechanics and Space Research: Preprint. Cluj-Napoca: Babes-Bolyai University, Faculty of Mathematics, 1980.
MLA(8版)引用形式Seminar of Celestial Mechanics and Space Research , Universitatea Babes-Bolyai. Sectia de Matematica. Seminar of Celestial Mechanics and Space Research: Preprint. Babes-Bolyai University, Faculty of Mathematics, 1980.
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