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References from The inverse, the heat semigroup, Liouville’s theorems and the spectrum for the Grushin operator. Local targets link to admitted publications; unresolved targets remain external evidence.
10.1002/cpa.3160120405
10.1002/cpa.3160120405 · 1959 · External reference
10.24033/bsmf.1647
10.24033/bsmf.1647 · 1967 · External reference
10.1007/bf01450011
10.1007/bf01450011 · 1939 · External reference
10.1090/fic/052/02
10.1090/fic/052/02 · External reference
10.1007/978-3-7643-8969-7_3
10.1007/978-3-7643-8969-7_3 · External reference
10.4064/bc88-0-6
10.4064/bc88-0-6 · External reference
Unresolved reference
External reference
10.1070/sm1970v012n03abeh000931
10.1070/sm1970v012n03abeh000931 · 1970 · External reference
10.1070/sm1971v013n02abeh001033
10.1070/sm1971v013n02abeh001033 · 1971 · External reference
10.1007/bf02392081
10.1007/bf02392081 · 1967 · External reference
Unresolved reference
1986 · External reference
10.1007/978-3-642-96854-9
10.1007/978-3-642-96854-9 · 1987 · External reference
10.1002/cpa.3160120202
10.1002/cpa.3160120202 · 1959 · External reference
10.1016/s1385-7258(59)50016-5
10.1016/s1385-7258(59)50016-5 · 1959 · External reference
10.14492/hokmj/1285766229
10.14492/hokmj/1285766229 · 2005 · External reference
