Abstract. The abstract must be presented in English and Indonesian. It should summarize the main result(s) and, possibly, the method(s) used, in at most 250 words. If the paper is a survey paper, it must be indicated so in the abstract. For authors from outside Indonesia, the Indonesian abstract will be translated from the English abstract by the Editor.
Figures. If any, figures should be supplied in a form suitable for photographic reproduction after the printer has inserted any necessary lettering in the correct type. They should be printed or drawn in black ink on good white paper, at approximately the size that they will be printed.
References. References should be listed in alphabetical order according to the surnames of the authors at the end of the paper. Title of the journals should be abbreviated in accordance with the “Abbreviations of Names of Serials” in Mathematical Reviews Annual Index (American Mathematical Society). The following reference styles should be used:
 Leung, D.H. and Tang, W.K.,“Functions of Baire class one”, Fund. Math.,179(2003),225-247.
Chartrand, G. and Zhang, P., Chromatic Graph Theory, Chapman & Hall/CRC, Boca Raton, 2009.
References should be cited in the text as, for example, , [2, p. 34], or [5, Theorem 6].
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