TI - نقطه، خط، سطح PT - JOURNAL ARTICLE TA - artbr JN - artbr VO - 2 VI - 5 IP - 5 4099 - http://artbr.faslnameh.org/article-1-99-en.html 4100 - http://artbr.faslnameh.org/article-1-99-en.pdf SO - artbr 5 AB  - CP - IRAN IN - LG - eng PB - artbr PG - 73 PT - Research YR - 2016