Merge branch 'master' of https://github.com/Gp2mv3/Syntheses
Merge branch 'master' of https://github.com/Gp2mv3/Syntheses
fix error in spherical coord
Merge branch 'master' of https://github.com/Gp2mv3/Syntheses
spelling corrections
Merge pull request #87 from johndewasseige/master

Correction coord. sphériques