If the equation of this line, referred to new coordinate axes in the plane area, is written xcos a+y sin a - h=o, (3) R = f f p(h - x cos a - y sin a)dxdy, (4) zR= f fpx(h - xcos a - y sin a)dxdy, (5) yR = f f py(h - x cos a - y sin a)dxdy.
P g PY en P however, the cotyledon is not really terminal.
Whilst others have gone for whatever musical fad there may be fashionable at the time, PY has just done his own thing.
The Dugats, Claude and his wife Jocelyne Py, tend to their vines with great care, cutting them in order to lower the yield and concentrate the terroir from the soil.
