TY - JOUR AU - Janusz DybizbaƄski AU - Tomasz Dzido TI - On some Ramsey numbers for quadrilaterals JO - The electronic journal of combinatorics PY - 2011 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/641/ DO - 10.37236/641 ID - 10_37236_641 ER -