Fix references

Author: ddomingof

docs/source/diffusion.rst

@@ -84,9 +84,13 @@ Summary table of methods with statistical normalization
 
 References
 ----------
-1. Bersanelli, M. et al. (2016). Network diffusion-based analysis of high-throughput data for the detection of differentially enriched modules. Scientific Reports. (6), 34841.
-2. Harchaoui, Z., et al. (2013). Kernel-based methods for hypothesis testing: a unified view. IEEE Signal Processing Magazine. (30), 87–97.
-3. Mostafavi, S., et al. (2008). Genemania: a real-time multiple association network integration algorithm for predicting gene function.Genome Biology. (9), S4.
+1. Bersanelli, M. et al. (2016). Network diffusion-based analysis of high-throughput data for the detection of
+differentially enriched modules. Scientific Reports. (6), 34841.
+2. Harchaoui, Z., et al. (2013). Kernel-based methods for hypothesis testing: a unified view. IEEE Signal Processing
+Magazine. (30), 87–97.
+3. Mostafavi, S., et al. (2008). Genemania: a real-time multiple association network integration algorithm for
+predicting gene function.Genome Biology. (9), S4.
 4. Tsuda, K., et al. (2005).  Fast  protein  classification  with  multiple  networks. Bioinformatics, (21), 59–65.
-5. Vandin, F., et al. (2010). Algorithms for detecting significantly mutated pathways in cancer. Lecture Notes in Computer Science. 6044, 506–521.
+5. Vandin, F., et al. (2010). Algorithms for detecting significantly mutated pathways in cancer. Lecture Notes in
+Computer Science. 6044, 506–521.