Introduction 849
1. Method of Comprehensive Study of Extensive Air Showers of Cosmic Radiation 850
2. Lateral Distribution of Charged Particles in Extensive Air Showers at the Observation Level 854
3. Muons in Extensive Air Showers 859
4. Nuclear-active Component of Extensive Air Showers 865
5. Energy Flux Carried by Different Components of Extensive Air Showers 867
6. Extensive Air Showers and Primary Cosmic Radiation 872
Conclusion 874
Cited Literature 875