WASET
	@article{(Open Science Index):https://publications.waset.org/pdf/12444,
	  title     = {Some Discrete Propositions in IVSs},
	  author    = {A. Pouhassani},
	  country	= {},
	  institution	= {},
	  abstract     = {The aim of this paper is to exhibit some properties of
local topologies of an IVS. Also, we Introduce ISG structure as an
interesting structure of semigroups in IVSs.},
	    journal   = {International Journal of Mathematical and Computational Sciences},
	  volume    = {3},
	  number    = {1},
	  year      = {2009},
	  pages     = {31 - 33},
	  ee        = {https://publications.waset.org/pdf/12444},
	  url   	= {https://publications.waset.org/vol/25},
	  bibsource = {https://publications.waset.org/},
	  issn  	= {eISSN: 1307-6892},
	  publisher = {World Academy of Science, Engineering and Technology},
	  index 	= {Open Science Index 25, 2009},
	}