Analysis of information sources in references of the Wikipedia article "Gauche prolétarienne" in English language version.
It did not take long for the GP-ists to become known as 'Mao-spontex,' or Maoist-spontaneists. The name was originally an insult—Spontex was the brand name of a cleaning sponge—intended to belittle the group's embrace of antiauthoritarianism as an element of revolutionary contestation. The marxisant tradition had long criticized spontaneism as an anarchistic error.
