Given this, I'll make an educated guess that you're interested in essays or information related to physics, possibly authored or edited by someone named Savchenko. If you're looking for a specific essay or topic within physics, could you provide more details?
: For more academic or specific searches, Google Scholar (scholar.google.com) can be very useful. You can search for the author's name along with keywords like "physics problems" or "fisica" to find relevant studies or resources. savchenko fisica pdf
If you're interested in physics problems and solutions in PDF format, I can guide you on how to find resources or provide general information on the topic. Savchenko could refer to a specific author or a problem book in physics commonly used by students. Given this, I'll make an educated guess that
: Some publishers offer free PDFs of textbooks or problem books. You might find what you're looking for by searching directly through these sites. You can search for the author's name along
If you provide more details about what you're looking for (e.g., specific topics in physics, the level of study, etc.), I could offer more targeted advice or even some general information on where to find study materials.