Update gd-sgd.md

caloskao · Feb 17, 2019 · 98ac49b · 98ac49b
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commit 98ac49b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/chapter_optimization/gd-sgd.md b/chapter_optimization/gd-sgd.md
@@ -189,7 +189,7 @@ show_trace_2d(f_2d, train_2d(sgd_2d))
 
 ## 参考文献
 
-[1] Stewart, James. "Calculus: early transcendentals." 7th ed. Cengage Learning (2010).
+[1] Stewart, J. (2010). Calculus: early transcendentals. 7th ed. Cengage Learning.
 
 
 ## 扫码直达[讨论区](https://discuss.gluon.ai/t/topic/1877)