000 00359nam a2200121Ia 4500
008 230721s9999||||xx |||||||||||||| ||und||
041 _aeng
082 _a512.27
_bT09 ROS.G
100 _a Rosales, J. C. and Garcia-Sanchez, P. A.
_97882
245 0 _a Numerical semigroups
_c Rosales, J. C. and Garcia-Sanchez, P. A.
260 _b Springer
_c2009
942 _cBK
999 _c14284
_d14284