RT @integrablesys: Did you know that Charles Sturm, well known for his work on differential equations including the Sturm--Liouville proble…
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RT @integrablesys: Did you know that Charles Sturm, well known for his work on differential equations including the Sturm--Liouville proble…
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RT @integrablesys: Did you know that Charles Sturm, well known for his work on differential equations including the Sturm--Liouville proble…
6,783 followers
RT @integrablesys: Did you know that Charles Sturm, well known for his work on differential equations including the Sturm--Liouville proble…