1
SIGSAM communications in computer algebra  

JSC; Vol. 40. 2006 Nr. 1-2 Issue 155-156
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ACM communications in computer algebra  

JSC; Vol. 40. 2006 Nr. 3/4 Issue 157/158
JSC; Vol. 41. 2007 Nr. 1/2-3/4 Issue 159/160-161/162
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