With these ingredients , PERSON@1 's equations can be written : and The first tensor equation is an expression of the two inhomogeneous PERSON@1 's equations , PERSON@2 's law and Ampere 's law with PERSON@1 's correction .

The first tensor equation says the same thing as the two inhomogeneous PERSON@1 's equations : PERSON@2 ' law and Ampere 's law with PERSON@1 's correction .
