Pemberton, J.E.: How to find out in mathematics : a guide to sources of information (1969)
0.00
0.004859188 = product of:
0.019436752 = sum of:
0.019436752 = weight(_text_:information in 1999) [ClassicSimilarity], result of:
0.019436752 = score(doc=1999,freq=2.0), product of:
0.08351069 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.047571484 = queryNorm
0.23274569 = fieldWeight in 1999, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=1999)
0.25 = coord(1/4)