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authorPrefetch2021-05-28 15:27:37 +0200
committerPrefetch2021-05-28 15:27:37 +0200
commit9657833b115c8a61509295d2296c6f89e81fd219 (patch)
tree957ac6c1eb897c13939d849513508145d7d258f7 /content/know/concept/calculus-of-variations
parent4780106a4f191c41d3b82ca9d1327a1c95a72055 (diff)
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@@ -338,3 +338,6 @@ And then the remaining $N - M$ equations can be solved in the normal unconstrain
1. G.B. Arfken, H.J. Weber,
*Mathematical methods for physicists*, 6th edition, 2005,
Elsevier.
+2. O. Bang,
+ *Applied mathematics for physicists: lecture notes*, 2019,
+ unpublished.