@ARTICLE{Dehnen2012, author = {{Dehnen}, W. and {Aly}, H.}, title = "{Improving convergence in smoothed particle hydrodynamics simulations without pairing instability}", journal = {\mnras}, archivePrefix = "arXiv", eprint = {1204.2471}, primaryClass = "astro-ph.IM", keywords = {hydrodynamics, methods: numerical }, year = 2012, month = sep, volume = 425, pages = {1068-1082}, doi = {10.1111/j.1365-2966.2012.21439.x}, adsurl = {http://adsabs.harvard.edu/abs/2012MNRAS.425.1068D}, adsnote = {Provided by the SAO/NASA Astrophysics Data System} }